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Gonçalves do Amaral C, Pinto André E, Maffud Cilli E, Gomes da Costa V, Ricardo S Sanches P. Viral diseases and the environment relationship. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 362:124845. [PMID: 39265774 DOI: 10.1016/j.envpol.2024.124845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2024] [Revised: 08/09/2024] [Accepted: 08/26/2024] [Indexed: 09/14/2024]
Abstract
Viral diseases have been present throughout human history, with early examples including influenza (1500 B.C.), smallpox (1000 B.C.), and measles (200 B.C.). The term "virus" was first used in the late 1800s to describe microorganisms smaller than bacteria, and significant milestones include the discovery of the polio virus and the development of its vaccine in the mid-1900s, and the identification of HIV/AIDS in the latter part of the 20th century. The 21st century has seen the emergence of new viral diseases such as West Nile Virus, Zika, SARS, MERS, and COVID-19. Human activities, including crowding, travel, poor sanitation, and environmental changes like deforestation and climate change, significantly influence the spread of these diseases. Conversely, viral diseases can impact the environment by polluting water resources, contributing to deforestation, and reducing biodiversity. These environmental impacts are exacerbated by disruptions in global supply chains and increased demands for resources. This review highlights the intricate relationship between viral diseases and environmental factors, emphasizing how human activities and viral disease progression influence each other. The findings underscore the need for integrated approaches to address the environmental determinants of viral diseases and mitigate their impacts on both health and ecosystems.
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Affiliation(s)
- Caio Gonçalves do Amaral
- School of Pharmaceutical Sciences, Laboratory of Molecular Virology, Department of Biological Science, São Paulo State University, UNESP, Brazil
| | - Eduardo Pinto André
- School of Pharmaceutical Sciences, Laboratory of Molecular Virology, Department of Biological Science, São Paulo State University, UNESP, Brazil
| | - Eduardo Maffud Cilli
- Institute of Chemistry, Laboratory of Synthesis and Studies of Biomolecules, Department of Biochemistry and Organic Chemistry, São Paulo State University, UNESP, Brazil
| | - Vivaldo Gomes da Costa
- Institute of Biosciences, Letters, and Exact Sciences, São Paulo State University, UNESP, Brazil
| | - Paulo Ricardo S Sanches
- School of Pharmaceutical Sciences, Laboratory of Molecular Virology, Department of Biological Science, São Paulo State University, UNESP, Brazil.
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Chavarria K, Batista J, Saltonstall K. Widespread occurrence of fecal indicator bacteria in oligotrophic tropical streams. Are common culture-based coliform tests appropriate? PeerJ 2024; 12:e18007. [PMID: 39253603 PMCID: PMC11382651 DOI: 10.7717/peerj.18007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 08/08/2024] [Indexed: 09/11/2024] Open
Abstract
Monitoring of stream water quality is a key element of water resource management worldwide, but methods that are commonly used in temperate habitats may not be appropriate in humid tropical systems. We assessed the influence of four land uses on microbial water quality in 21 streams in the Panama Canal Watershed over a one-year period, using a common culture-based fecal indicator test and 16S rDNA metabarcoding. Each stream was located within one of four land uses: mature forest, secondary forest, silvopasture, and traditional cattle pasture. Culturing detected total coliforms and Escherichia coli across all sites but found no significant differences in concentrations between land uses. However, 16S rDNA metabarcoding revealed variability in the abundance of coliforms across land uses and several genera that can cause false positives in culture-based tests. Our results indicate that culture-based fecal indicator bacteria tests targeting coliforms may be poor indicators of fecal contamination in Neotropical oligotrophic streams and suggest that tests targeting members of the Bacteroidales would provide a more reliable indication of fecal contamination.
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Affiliation(s)
- Karina Chavarria
- Smithsonian Tropical Research Institute, Panama City, Panama
- Department of Civil and Environmental Engineering, University of Massachusetts at Amherst, Amherst, MA, United States of America
| | - Jorge Batista
- Smithsonian Tropical Research Institute, Panama City, Panama
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Izquierdo-Suzán M, Zavala-Guerrero PB, Mendoza H, Portela Salomão R, Vázquez-Pichardo M, Von Thaden JJ, Medellín RA. Mosquito (Diptera: Culicidae) diversity and arbovirus detection across an urban and agricultural landscape. Acta Trop 2024; 257:107321. [PMID: 38972559 DOI: 10.1016/j.actatropica.2024.107321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2024] [Revised: 07/03/2024] [Accepted: 07/04/2024] [Indexed: 07/09/2024]
Abstract
Fragmented landscapes in Mexico, characterized by a mix of agricultural, urban, and native vegetation cover, presents unique ecological characteristics that shape the mosquito community composition and mosquito-borne diseases. The extent to which landscape influences mosquito populations and mosquito-borne diseases is still poorly understood. This work assessed the effect of landscape metrics -agriculture, urban, and native vegetation cover- on mosquito diversity and arbovirus presence in fragmented tropical deciduous forests in Central Mexico during 2021. Among the 21 mosquito species across six genera we identified, Culex quinquefasciatus was the most prevalent species, followed by Aedes aegypti, Ae. albopictus, and Ae. epactius. Notably, areas with denser native vegetation cover displayed higher mosquito species richness, which could have an impact on phenomena such as the dilution effect. Zika and dengue virus were detected in 85% of captured species, with first reports of DENV in several Aedes species and ZIKV in multiple Aedes and Culex species. These findings underscore the necessity of expanding arbovirus surveillance beyond Ae. aegypti and advocate for a deeper understanding of vector ecology in fragmented landscapes to adequately address public health strategies.
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Affiliation(s)
- Mónica Izquierdo-Suzán
- Posgrado en Ciencias Biológicas, Universidad Nacional Autónoma de México, Av. Ciudad Universitaria 3000, Ciudad Universitaria Coyoacán, CP 04510 CDMX, Mexico; Instituto de Ecología, Universidad Nacional Autónoma de México, Apdo. Postal 70-275, Circuito Exterior, Ciudad Universitaria Coyoacán, 04510 Ciudad de México, Mexico.
| | - Paula B Zavala-Guerrero
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de México, Ciudad de México, Mexico
| | - Hugo Mendoza
- Instituto de Ecología, Universidad Nacional Autónoma de México, Apdo. Postal 70-275, Circuito Exterior, Ciudad Universitaria Coyoacán, 04510 Ciudad de México, Mexico
| | - Renato Portela Salomão
- Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla de Baz, Mexico; Pós-graduação em Ecologia, Instituto Nacional de Pesquisas da Amazônia, Manaus, Brasil
| | - Mauricio Vázquez-Pichardo
- Laboratorios de Arbovirus y Virus Hemorrágicos, Instituto de Diagnóstico y Referencia Epidemiológicoos. Centro Colaborador de la OPS/OMS en arbovirus, Ciudad de México, Mexico
| | - Juan José Von Thaden
- Laboratorio de Planeación Ambiental, Universidad Autónoma Metropolitana- Xochimilco, Ciudad de México, Mexico
| | - Rodrigo A Medellín
- Instituto de Ecología, Universidad Nacional Autónoma de México, Apdo. Postal 70-275, Circuito Exterior, Ciudad Universitaria Coyoacán, 04510 Ciudad de México, Mexico
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Holt B, Oswalt K, England A, Murphy R, Owens I, Finney M, Wong N, Adhikari S, McCann J, Beckmann J. Computer numerical control knitting of high-resolution mosquito bite blocking textiles. COMMUNICATIONS ENGINEERING 2024; 3:119. [PMID: 39191889 PMCID: PMC11350116 DOI: 10.1038/s44172-024-00268-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 08/14/2024] [Indexed: 08/29/2024]
Abstract
Mosquitoes and other biting arthropods transmit diseases worldwide, causing over 700,000 deaths each year, and costing about 3 billion USD annually for Aedes species alone. Insect vectored diseases also pose a considerable threat to agricultural animals. While clothing could provide a simple solution to vector-borne diseases, modern textiles do not effectively block mosquito bites. Here we have designed three micro-resolution knitted structures, with five adjustable parameters that can block mosquito bites. These designs, which exhibit significant bite reduction were integrated into a computer numerical control knitting robot for mass production of bite-blocking garments with minimal human labor. We then quantified the comfort of blocking garments. Our knits enable individuals to protect themselves from insects amidst their day-to-day activities without impacting the environment.
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Affiliation(s)
- Bryan Holt
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL, USA
- Department of Biosystems Engineering, Auburn University, Auburn, AL, USA
| | - Kyle Oswalt
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL, USA
| | - Alexa England
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL, USA
- Department of Biosystems Engineering, Auburn University, Auburn, AL, USA
| | - Richard Murphy
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL, USA
| | - Isabella Owens
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL, USA
| | - Micaela Finney
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL, USA
| | - Natalie Wong
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL, USA
| | - Sushil Adhikari
- Department of Biosystems Engineering, Auburn University, Auburn, AL, USA
| | - James McCann
- Department of Computer Science, Carnegie Mellon University, Pittsburgh, PA, USA
| | - John Beckmann
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL, USA.
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de Souza WM, Weaver SC. Effects of climate change and human activities on vector-borne diseases. Nat Rev Microbiol 2024; 22:476-491. [PMID: 38486116 DOI: 10.1038/s41579-024-01026-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/13/2024] [Indexed: 03/18/2024]
Abstract
Vector-borne diseases are transmitted by haematophagous arthropods (for example, mosquitoes, ticks and sandflies) to humans and wild and domestic animals, with the largest burden on global public health disproportionately affecting people in tropical and subtropical areas. Because vectors are ectothermic, climate and weather alterations (for example, temperature, rainfall and humidity) can affect their reproduction, survival, geographic distribution and, consequently, ability to transmit pathogens. However, the effects of climate change on vector-borne diseases can be multifaceted and complex, sometimes with ambiguous consequences. In this Review, we discuss the potential effects of climate change, weather and other anthropogenic factors, including land use, human mobility and behaviour, as possible contributors to the redistribution of vectors and spread of vector-borne diseases worldwide.
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Affiliation(s)
- William M de Souza
- Department of Microbiology, Immunology and Molecular Genetics, University of Kentucky, College of Medicine, Lexington, KY, USA
- World Reference Center for Emerging Viruses and Arboviruses, University of Texas Medical Branch, Galveston, TX, USA
- Institute for Human Infections and Immunity, University of Texas Medical Branch, Galveston, TX, USA
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX, USA
- Global Virus Network, Baltimore, MD, USA
| | - Scott C Weaver
- World Reference Center for Emerging Viruses and Arboviruses, University of Texas Medical Branch, Galveston, TX, USA.
- Institute for Human Infections and Immunity, University of Texas Medical Branch, Galveston, TX, USA.
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX, USA.
- Global Virus Network, Baltimore, MD, USA.
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Rodríguez-González S, Izquierdo-Suzán M, Rocha-Ortega M, Córdoba-Aguilar A. Vector mosquito distribution and richness are predicted by socio-economic, and ecological variables. Acta Trop 2024; 254:107179. [PMID: 38522629 DOI: 10.1016/j.actatropica.2024.107179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 03/06/2024] [Accepted: 03/07/2024] [Indexed: 03/26/2024]
Abstract
Mosquitoes of vectorial importance represent a ubiquitous and constant threat of potentially devastating arboviral outbreaks. Our ability to predict such outcomes is still restricted. To answer this, we have used an extensive data collection of 23 vector and 233 non-vector mosquito species distributed throughout the Mexican territory and linked them to social and environmental factors. Our aim was to predict vector and non-vector mosquitoes' distribution and species richness based on socioeconomic and environmental data. We found that lack of health services, human population variation, ecological degradation, and urban-rural categorization contributed significantly to explain the distribution of vector mosquitoes. mosquitoes. This phenomenon is probably attributed to the degradation of natural ecosystems as it creates favorable conditions for the proliferation of vector mosquitoes. The richness of vector mosquitoes was similarly explained by most of these variables as well as altitude. As for non-vector mosquitoes, social marginalization, ecological degradation, anthropogenic impact, and altitude explain species richness and distribution. These findings illustrate the complex interaction of environmental and socioeconomic factors behind the distribution of mosquitoes, and the potential for arboviral disease outbreaks. Areas with human populations at highest risk for mosquito-borne diseases should be primary targets for vector control.
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Affiliation(s)
- Stephany Rodríguez-González
- Posgrado en Ciencias Biológicas, Universidad Nacional Autónoma de México, Av. Ciudad Universitaria 3000, Coyoacán, 04510, Ciudad de México, Mexico
| | - Mónica Izquierdo-Suzán
- Posgrado en Ciencias Biológicas, Universidad Nacional Autónoma de México, Av. Ciudad Universitaria 3000, Coyoacán, 04510, Ciudad de México, Mexico
| | - Maya Rocha-Ortega
- Instituto de Ecología, Universidad Nacional Autónoma de México, Apdo. Postal 70-275, Circuito Exterior, Ciudad Universitaria 04510 Coyoacán, Ciudad de México, Mexico
| | - Alex Córdoba-Aguilar
- Instituto de Ecología, Universidad Nacional Autónoma de México, Apdo. Postal 70-275, Circuito Exterior, Ciudad Universitaria 04510 Coyoacán, Ciudad de México, Mexico.
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Chaves LSM, Bergo ES, Bickersmith SA, Laporta GZ, Conn JE, Sallum MAM. Forest cover percentage drives the peak biting time of Nyssorhynchus darlingi (Diptera: Culicidae) in the Brazilian Amazon. Malar J 2024; 23:166. [PMID: 38807105 PMCID: PMC11131226 DOI: 10.1186/s12936-024-04984-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Accepted: 05/14/2024] [Indexed: 05/30/2024] Open
Abstract
BACKGROUND Deforestation is an important driver of malaria dynamics, with a relevant impact on mosquito ecology, including larval habitat availability, blood-feeding behaviour, and peak biting time. The latter is one of several entomological metrics to evaluate vectorial capacity and effectiveness of disease control. This study aimed to test the effect of forest cover percentage on the peak biting time of Plasmodium-uninfected and infected Nyssorhynchus darlingi females. METHODS Mosquitoes were captured utilizing human landing catch (HLC) in the peridomestic habitat in field collections carried out in the wet, wet-dry transition, and dry seasons from 2014 to 2017 in areas with active malaria transmission in Amazonian Brazil. The study locations were in rural settlements in areas with the mean annual malaria parasite incidence (Annual Parasite Incidence, API ≥ 30). All Ny. darlingi females were tested for Plasmodium spp. infection using real time PCR technique. Forest cover percentage was calculated for each collection site using QGIS v. 2.8 and was categorized in three distinct deforestation scenarios: (1) degraded, < 30% forest cover, (2) intermediate, 30-70% forest cover, and (3) preserved, > 70% forest cover. RESULTS The highest number of uninfected female Ny. darlingi was found in degraded landscape-sites with forest cover < 30% in any peak biting time between 18:00 and 0:00. Partially degraded landscape-sites, with (30-70%) forest cover, showed the highest number of vivax-infected females, with a peak biting time of 21:00-23:00. The number of P. falciparum-infected mosquitoes was highest in preserved sites with > 70% forest cover, a peak biting at 19:00-20:00, and in sites with 30-70% forest cover at 22:00-23:00. CONCLUSIONS Results of this study show empirically that degraded landscapes favour uninfected Ny. darlingi with a peak biting time at dusk (18:00-19:00), whereas partially degraded landscapes affect the behaviour of Plasmodium-infected Ny. darlingi by shifting its peak biting time towards hours after dark (21:00-23:00). In preserved sites, Plasmodium-infected Ny. darlingi bite around dusk (18:00-19:00) and shortly after (19:00-20:00).
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Affiliation(s)
- Leonardo Suveges Moreira Chaves
- Departamento de Epidemiologia, Faculdade de Saúde Pública, Universidade de São Paulo, Av. Dr. Arnaldo, 715 - Pacaembu, CEP, 01246-904, São Paulo, SP, Brasil
| | | | | | - Gabriel Z Laporta
- Graduate Program in Health Sciences, FMABC Medical School University Center, Santo André, SP, Brazil
| | - Jan E Conn
- Wadsworth Center, New York State Department of Health, Albany, NY, USA
- Department of Biomedical Sciences, School of Public Health, State University of New York, Albany, NY, USA
| | - Maria Anice Mureb Sallum
- Departamento de Epidemiologia, Faculdade de Saúde Pública, Universidade de São Paulo, Av. Dr. Arnaldo, 715 - Pacaembu, CEP, 01246-904, São Paulo, SP, Brasil.
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Bailey A, Prist PR. Landscape and Socioeconomic Factors Determine Malaria Incidence in Tropical Forest Countries. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2024; 21:576. [PMID: 38791790 PMCID: PMC11121048 DOI: 10.3390/ijerph21050576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 04/20/2024] [Accepted: 04/27/2024] [Indexed: 05/26/2024]
Abstract
Deforestation, landscape dynamics, and socioeconomic factors within the tropical Americas, Africa, and Asia may have different impacts on malaria incidence. To evaluate how these drivers affect malaria incidence at the global and regional scale, we collected malaria incidence rates from 2000 to 2019 from 67 tropical countries, along with forest loss, land use change types, and socioeconomic elements. LASSO regression, linear mixed effect modeling, and k-fold cross validation were used to create and evaluate the models. Regionality plays a role in the significance of varying risk factors. The Tropical Americas model had the highest coefficient of determination (marginal R2 = 0.369), while the Africa model showed the highest predictive accuracy with only a 17.4% error rate. Strong associations between tree cover loss (β = -4037.73, p < 0.001) and percentage forest area (β = 5373.18, p = 0.012) in Africa, and percent of key biodiversity areas under protection (β = 496.71, p < 0.001; β = 1679.20, p < 0.001) in the tropical Americas and Asia with malaria incidence indicates that malaria risk should be considered during conservation policy development, and recommends that individual approaches to policy and investment be considered when implementing malaria interventions on different spatial scales.
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Affiliation(s)
- Allison Bailey
- EcoHealth Alliance, 520 Eighth Ave., Ste. 1200, New York, NY 10018, USA;
| | - Paula R. Prist
- EcoHealth Alliance, 520 Eighth Ave., Ste. 1200, New York, NY 10018, USA;
- Future Earth, One Health, 413 Chukar Ct., Fort Collins, CO 80526, USA
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Estifanos TK, Fisher B, Galford GL, Ricketts TH. Impacts of Deforestation on Childhood Malaria Depend on Wealth and Vector Biology. GEOHEALTH 2024; 8:e2022GH000764. [PMID: 38425366 PMCID: PMC10902572 DOI: 10.1029/2022gh000764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 07/11/2023] [Accepted: 01/19/2024] [Indexed: 03/02/2024]
Abstract
Ecosystem change can profoundly affect human well-being and health, including through changes in exposure to vector-borne diseases. Deforestation has increased human exposure to mosquito vectors and malaria risk in Africa, but there is little understanding of how socioeconomic and ecological factors influence the relationship between deforestation and malaria risk. We examined these interrelationships in six sub-Saharan African countries using demographic and health survey data linked to remotely sensed environmental variables for 11,746 children under 5 years old. We found that the relationship between deforestation and malaria prevalence varies by wealth levels. Deforestation is associated with increased malaria prevalence in the poorest households, but there was not significantly increased malaria prevalence in the richest households, suggesting that deforestation has disproportionate negative health impacts on the poor. In poorer households, malaria prevalence was 27%-33% larger for one standard deviation increase in deforestation across urban and rural populations. Deforestation is also associated with increased malaria prevalence in regions where Anopheles gambiae and Anopheles funestus are dominant vectors, but not in areas of Anopheles arabiensis. These findings indicate that deforestation is an important driver of malaria risk among the world's most vulnerable children, and its impact depends critically on often-overlooked social and biological factors. An in-depth understanding of the links between ecosystems and human health is crucial in designing conservation policies that benefit people and the environment.
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Affiliation(s)
- Tafesse Kefyalew Estifanos
- Gund Institute for EnvironmentUniversity of VermontBurlingtonVTUSA
- Rubenstein School of Environment and Natural ResourcesUniversity of VermontBurlingtonVTUSA
- Center for Environmental Economics and PolicyUWA School of Agriculture and EnvironmentThe University of Western AustraliaPerthWAAustralia
| | - Brendan Fisher
- Gund Institute for EnvironmentUniversity of VermontBurlingtonVTUSA
- Rubenstein School of Environment and Natural ResourcesUniversity of VermontBurlingtonVTUSA
| | - Gillian L. Galford
- Gund Institute for EnvironmentUniversity of VermontBurlingtonVTUSA
- Rubenstein School of Environment and Natural ResourcesUniversity of VermontBurlingtonVTUSA
| | - Taylor H. Ricketts
- Gund Institute for EnvironmentUniversity of VermontBurlingtonVTUSA
- Rubenstein School of Environment and Natural ResourcesUniversity of VermontBurlingtonVTUSA
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Farner JE, Howard M, Smith JR, Anderson CB, Mordecai EA. Local tree cover predicts mosquito species richness and disease vector presence in a tropical countryside landscape. RESEARCH SQUARE 2024:rs.3.rs-3954302. [PMID: 38464276 PMCID: PMC10925468 DOI: 10.21203/rs.3.rs-3954302/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/12/2024]
Abstract
Context Land use change drives both biodiversity loss and zoonotic disease transmission in tropical countryside landscapes. Developing solutions for protecting countryside biodiversity, public health, and livelihoods requires understanding the scales at which habitat characteristics such as land cover shape biodiversity, especially for arthropods that transmit pathogens. Evidence increasingly shows that species richness for many taxa correlates with local tree cover. Objectives We investigated whether mosquito species richness, community composition, and presence of disease vector species responded to land use and tree cover - and if so, whether at spatial scales similar to other taxa. Methods We paired a field survey of mosquito communities in agricultural, residential, and forested lands in rural southern Costa Rica with remotely sensed tree cover data. We compared mosquito community responses to tree cover surrounding survey sites measured across scales, and analyzed community responses to land use and environmental gradients. Results Tree cover was positively correlated with mosquito species richness, and negatively correlated with the presence of the common invasive dengue vector Aedes albopictus, particularly at small spatial scales of 80 - 200m. Land use predicted community composition and Ae. albopictus presence. Environmental gradients of tree cover, temperature, and elevation explained 7% of species turnover among survey sites. Conclusions The results suggest that preservation and expansion of tree cover at local scales can protect biodiversity for a wide range of taxa, including arthropods, and also confer protection against disease vector occurrence. The identified spatial range of tree cover benefits can inform land management for conservation and public health protection.
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Farner JE, Howard M, Smith JR, Anderson CB, Mordecai EA. Local tree cover predicts mosquito species richness and disease vector presence in a tropical countryside landscape. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.12.05.570170. [PMID: 38105954 PMCID: PMC10723306 DOI: 10.1101/2023.12.05.570170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
Context Land use change drives both biodiversity loss and zoonotic disease transmission in tropical countryside landscapes. Developing solutions for protecting countryside biodiversity, public health, and livelihoods requires understanding the scales at which habitat characteristics such as land cover shape biodiversity, especially for arthropods that transmit pathogens. Evidence increasingly shows that species richness for many taxa correlates with local tree cover. Objectives We investigated whether mosquito species richness, community composition, and presence of disease vector species responded to land use and tree cover - and if so, whether at spatial scales similar to other taxa. Methods We paired a field survey of mosquito communities in agricultural, residential, and forested lands in rural southern Costa Rica with remotely sensed tree cover data. We compared mosquito community responses to tree cover surrounding survey sites measured across scales, and analyzed community responses to land use and environmental gradients. Results Tree cover was positively correlated with mosquito species richness, and negatively correlated with the presence of the common invasive dengue vector Aedes albopictus , particularly at small spatial scales of 80 - 200m. Land use predicted community composition and Ae. albopictus presence. Environmental gradients of tree cover, temperature, and elevation explained 7% of species turnover among survey sites. Conclusions The results suggest that preservation and expansion of tree cover at local scales can protect biodiversity for a wide range of taxa, including arthropods, and also confer protection against disease vector occurrence. The identified spatial range of tree cover benefits can inform land management for conservation and public health protection.
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Auliz-Ortiz DM, Benítez-Malvido J, Arroyo-Rodríguez V, Dirzo R, Pérez-Farrera MÁ, Luna-Reyes R, Mendoza E, Álvarez-Añorve MY, Álvarez-Sánchez J, Arias-Ataide DM, Ávila-Cabadilla LD, Botello F, Braasch M, Casas A, Campos-Villanueva DÁ, Cedeño-Vázquez JR, Chávez-Tovar JC, Coates R, Dechnik-Vázquez Y, del Coro Arizmendi M, Dias PA, Dorado O, Enríquez P, Escalona-Segura G, Farías-González V, Favila ME, García A, García-Morales LJ, Gavito-Pérez F, Gómez-Domínguez H, González-García F, González-Zamora A, Cuevas-Guzmán R, Haro-Belchez E, Hernández-Huerta AH, Hernández-Ordoñez O, Horváth A, Ibarra-Manríquez G, Lavín-Murcio PA, Lira-Saade R, López-Díaz K, MacSwiney G. MC, Mandujano S, Martínez-Camilo R, Martínez-Ávalos JG, Martínez-Meléndez N, Monroy-Ojeda A, Mora F, Mora-Olivo A, Muench C, Peña-Mondragón JL, Percino-Daniel R, Ramírez-Marcial N, Reyna-Hurtado R, Rodríguez-Ruíz ER, Sánchez-Cordero V, Suazo-Ortuño I, Terán-Juárez SA, Valdivieso-Pérez IA, Valencia V, Valenzuela-Galván D, Vargas-Contreras JA, Vázquez-Pérez JR, Vega-Rivera JH, Venegas-Barrera CS, Martínez-Ramos M. Underlying and proximate drivers of biodiversity changes in Mesoamerican biosphere reserves. Proc Natl Acad Sci U S A 2024; 121:e2305944121. [PMID: 38252845 PMCID: PMC10861858 DOI: 10.1073/pnas.2305944121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 12/12/2023] [Indexed: 01/24/2024] Open
Abstract
Protected areas are of paramount relevance to conserving wildlife and ecosystem contributions to people. Yet, their conservation success is increasingly threatened by human activities including habitat loss, climate change, pollution, and species overexploitation. Thus, understanding the underlying and proximate drivers of anthropogenic threats is urgently needed to improve protected areas' effectiveness, especially in the biodiversity-rich tropics. We addressed this issue by analyzing expert-provided data on long-term biodiversity change (last three decades) over 14 biosphere reserves from the Mesoamerican Biodiversity Hotspot. Using multivariate analyses and structural equation modeling, we tested the influence of major socioeconomic drivers (demographic, economic, and political factors), spatial indicators of human activities (agriculture expansion and road extension), and forest landscape modifications (forest loss and isolation) as drivers of biodiversity change. We uncovered a significant proliferation of disturbance-tolerant guilds and the loss or decline of disturbance-sensitive guilds within reserves causing a "winner and loser" species replacement over time. Guild change was directly related to forest spatial changes promoted by the expansion of agriculture and roads within reserves. High human population density and low nonfarming occupation were identified as the main underlying drivers of biodiversity change. Our findings suggest that to mitigate anthropogenic threats to biodiversity within biosphere reserves, fostering human population well-being via sustainable, nonfarming livelihood opportunities around reserves is imperative.
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Affiliation(s)
- Daniel Martín Auliz-Ortiz
- Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, Morelia58190, Mexico
| | - Julieta Benítez-Malvido
- Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, Morelia58190, Mexico
| | - Víctor Arroyo-Rodríguez
- Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, Morelia58190, Mexico
- Escuela Nacional de Estudios Superiores Unidad Mérida, Universidad Nacional Autónoma de México, Mérida97357, Mexico
| | - Rodolfo Dirzo
- Department of Biology, Stanford University, Palo Alto, CA9430
- Department of Earth Systems Science, Stanford University, Palo Alto, CA9430
| | - Miguel Ángel Pérez-Farrera
- Herbario Eizi Matuda, Laboratorio de Ecología, Evolutiva, Instituto de Ciencias Biológicas Universidad de Ciencias y Artes de Chiapas, Tuxtla Gutiérrez29039, Mexico
| | - Roberto Luna-Reyes
- Dirección de Áreas Naturales y Vida Silvestre, Secretaría de Medio Ambiente e Historia Natural, Tuxtla Gutiérrez29000, Mexico
| | - Eduardo Mendoza
- Instituto de Investigaciones sobre los Recursos Naturales, Universidad Michoacana de San Nicolás de Hidalgo, Morelia58337, Mexico
| | | | - Javier Álvarez-Sánchez
- Facultad de Ciencias, Universidad Nacional Autónoma de México, Coyoacán, Ciudad de México04510, Mexico
| | - Dulce María Arias-Ataide
- Centro de Investigación y Educación Ambiental Sierra de Huautla, Universidad Autónoma del Estado de Morelos, Cuernavaca62914, Mexico
| | - Luis Daniel Ávila-Cabadilla
- Escuela Nacional de Estudios Superiores Unidad Mérida, Universidad Nacional Autónoma de México, Mérida97357, Mexico
| | - Francisco Botello
- Departamento de Zoología, Instituto de Biología, Universidad Nacional Autónoma de México, Coyoacán, Ciudad de México04510, Mexico
| | - Marco Braasch
- Faktorgruen, Landschaftsarchitekten bdla Beratende Ingenieure, Abteilung Landschaftsplanung, Rottweil, Baden-Württemberg78628, Germany
| | - Alejandro Casas
- Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, Morelia58190, Mexico
| | - Delfino Álvaro Campos-Villanueva
- Estación de Biología Tropical Los Tuxtlas, Instituto de Biología, Universidad Nacional Autónoma de México, San Andrés Tuxtla, Veracruz95701, Mexico
| | - José Rogelio Cedeño-Vázquez
- Departamento de Sistemática y Ecología Acuática, El Colegio de la Frontera Sur, Unidad Chetumal, Chetumal77014, Mexico
| | - José Cuauhtémoc Chávez-Tovar
- Departamento de Ciencias Ambientales, Universidad Autónoma Metropolitana Unidad Lerma, Lerma, Estado de México52006, Mexico
| | - Rosamond Coates
- Estación de Biología Tropical Los Tuxtlas, Instituto de Biología, Universidad Nacional Autónoma de México, San Andrés Tuxtla, Veracruz95701, Mexico
| | - Yanus Dechnik-Vázquez
- Pre-Planning Center of the Gulf, Federal Electricity Comission, Boca del Río, Veracruz94295, Mexico
| | - María del Coro Arizmendi
- Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalneplantla54090, Mexico
| | - Pedro Américo Dias
- Primate Behavioral Ecology Lab, Instituto de Neuroetología, Universidad Veracruzana, Xalapa, Veracruz91190, Mexico
| | - Oscar Dorado
- Centro de Investigación y Educación Ambiental Sierra de Huautla, Universidad Autónoma del Estado de Morelos, Cuernavaca62914, Mexico
| | - Paula Enríquez
- Departamento de Conservación de la Biodiversidad, El Colegio de la Frontera Sur, Unidad San Cristóbal, San Cristóbal de Las Casas, Chiapas29290, Mexico
| | - Griselda Escalona-Segura
- Departamento de Conservación de la Biodiversidad, El Colegio de la Frontera Sur, Unidad Campeche, Campeche24500, Mexico
| | - Verónica Farías-González
- Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalneplantla54090, Mexico
| | - Mario E. Favila
- Red de Ecoetología, Instituto de Ecología, A.C., Xalapa, Veracruz91070, Mexico
| | - Andrés García
- Estación de Biología Chamela, Instituto de Biología, Universidad Nacional Autónoma de México, San Patricio48980, Mexico
| | - Leccinum Jesús García-Morales
- Departamento de Posgrado e Investigación, Instituto Tecnológico de Ciudad Victoria, Ciudad Victoria, Tamaulipas87010, Mexico
| | - Fernando Gavito-Pérez
- Reserva de la Biosfera Sierra de Manantlán, Comisión Nacional de Áreas Naturales Protegidas, Autlán de Navarro48903, Mexico
| | - Héctor Gómez-Domínguez
- Herbario Eizi Matuda, Laboratorio de Ecología, Evolutiva, Instituto de Ciencias Biológicas Universidad de Ciencias y Artes de Chiapas, Tuxtla Gutiérrez29039, Mexico
| | - Fernando González-García
- Red Biología y Conservación de Vertebrados, Instituto de Ecología, A.C., Xalapa, Veracruz91073, Mexico
| | - Arturo González-Zamora
- Instituto de Investigaciones Biológicas, Universidad Veracruzana, Xalapa, Veracruz911901, Mexico
| | - Ramón Cuevas-Guzmán
- Departamento de Ecología y Recursos Naturales, Centro Universitario de la Costa Sur, Universidad de Guadalajara, Autlán de Navarro48900, Mexico
| | | | | | - Omar Hernández-Ordoñez
- Departamento de Zoología, Instituto de Biología, Universidad Nacional Autónoma de México, Coyoacán, Ciudad de México04510, Mexico
| | - Anna Horváth
- Quirón, Centro de Intervenciones Asistidas con Equinos y Formación para el Bienestar y Sustentabilidad, Asociación Civil, Comitán de Domínguez30039, Mexico
| | - Guillermo Ibarra-Manríquez
- Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, Morelia58190, Mexico
| | - Pablo Antonio Lavín-Murcio
- Instituto de Ciencias Biomédicas, Universidad Autónoma de Ciudad Juárez, Ciudad Juárez, Chihuahua32315, Mexico
| | - Rafael Lira-Saade
- Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalneplantla54090, Mexico
| | - Karime López-Díaz
- Centro de Investigación en Ciencias Cognitivas, Universidad Autónoma del Estado de Morelos, Cuernavaca62209, Mexico
| | | | - Salvador Mandujano
- Red Biología y Conservación de Vertebrados, Instituto de Ecología, A.C., Xalapa, Veracruz91073, Mexico
| | - Rubén Martínez-Camilo
- Unidad Villa Corzo, Facultad de Ingeniería, Universidad de Ciencias y Artes de Chiapas, Villa de Corzo30520, Mexico
| | | | - Nayely Martínez-Meléndez
- Orquidario y Jardín Botánico "Comitán", Secretaría de Medio Ambiente e Historia Natural, Comitán de Domínguez30106, Mexico
| | | | - Francisco Mora
- Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, Morelia58190, Mexico
| | - Arturo Mora-Olivo
- Instituto de Ecología Aplicada, Universidad Autónoma de Tamaulipas, Ciudad Victoria, Tamaulipas87019, Mexico
| | - Carlos Muench
- Coordinación Universitaria para la Sustentabilidad, Universidad Nacional Autónoma de México, Coyoacán, Ciudad de México04510, Mexico
| | - Juan L. Peña-Mondragón
- Consejo Nacional de Humanidades, Ciencia y Tecnología -Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, Morelia58190, Mexico
| | - Ruth Percino-Daniel
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México, Coyoacán, Ciudad de México04510, Mexico
| | - Neptalí Ramírez-Marcial
- Departamento de Conservación de la Biodiversidad, El Colegio de la Frontera Sur, Unidad San Cristóbal, San Cristóbal de Las Casas, Chiapas29290, Mexico
| | - Rafael Reyna-Hurtado
- Departamento de Conservación de la Biodiversidad, El Colegio de la Frontera Sur, Unidad Campeche, Campeche24500, Mexico
| | - Erick Rubén Rodríguez-Ruíz
- Comisión de Parques y Biodiversidad de Tamaulipas, Gobierno del Estado de Tamaulipas, Ciudad Victoria, Tamaulipas87083, Mexico
| | - Víctor Sánchez-Cordero
- Departamento de Zoología, Instituto de Biología, Universidad Nacional Autónoma de México, Coyoacán, Ciudad de México04510, Mexico
| | - Ireri Suazo-Ortuño
- Instituto de Investigaciones sobre los Recursos Naturales, Universidad Michoacana de San Nicolás de Hidalgo, Morelia58337, Mexico
| | - Sergio Alejandro Terán-Juárez
- División de Estudios de Posgrado e Investigación, Tecnológico Nacional de México, Campus Ciudad Victoria, Ciudad Victoria, Tamaulipas87010, Mexico
| | - Ingrid Abril Valdivieso-Pérez
- División de Estudios de Posgrado e Investigación, Instituto Tecnológico de Conkal, Tecnológico Nacional de México, Conkal97345, Mexico
| | - Vivian Valencia
- Department of Environment, Agriculture and Geography, Bishop’s University, Sherbrooke, QCJ1M 1Z7, Canada
| | - David Valenzuela-Galván
- Centro de Investigación en Biodiversidad y Conservación, Universidad Autónoma del Estado de Morelos, Cuernavaca62209, Mexico
| | | | - José Raúl Vázquez-Pérez
- Departamento de Conservación de la Biodiversidad, El Colegio de la Frontera Sur, Unidad San Cristóbal, San Cristóbal de Las Casas, Chiapas29290, Mexico
| | - Jorge Humberto Vega-Rivera
- Estación de Biología Chamela, Instituto de Biología, Universidad Nacional Autónoma de México, San Patricio48980, Mexico
| | - Crystian Sadiel Venegas-Barrera
- Departamento de Posgrado e Investigación, Instituto Tecnológico de Ciudad Victoria, Ciudad Victoria, Tamaulipas87010, Mexico
| | - Miguel Martínez-Ramos
- Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, Morelia58190, Mexico
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Kahamba NF, Okumu FO, Jumanne M, Kifungo K, Odero JO, Baldini F, Ferguson HM, Nelli L. Geospatial modelling of dry season habitats of the malaria vector, Anopheles funestus, in south-eastern Tanzania. Parasit Vectors 2024; 17:38. [PMID: 38287419 PMCID: PMC10825994 DOI: 10.1186/s13071-024-06119-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Accepted: 01/03/2024] [Indexed: 01/31/2024] Open
Abstract
BACKGROUND Anopheles funestus is a major malaria vector in Eastern and Southern Africa and is currently the dominant malaria-transmitting vector in many parts of Tanzania. Previous research has identified its preference for specific aquatic habitats, especially those that persist in dry months. This observation suggests the potential for targeted control through precise habitat mapping and characterization. In this study, we investigated the influence of habitat characteristics, land cover and human population densities on An. funestus distribution during dry seasons. Based on the results, we developed a habitat suitability model for this vector species in south-eastern Tanzania. METHODS Eighteen villages in south-eastern Tanzania were surveyed during the dry season from September-December 2021. Water bodies were systematically inspected for mosquito larvae and characterized by their physico-chemical characteristics and surrounding environmental features. A generalized linear model was used to assess the presence of An. funestus larvae as a function of the physico-chemical characteristics, land use and human population densities. The results obtained from this model were used to generate spatially explicit predictions of habitat suitability in the study districts. RESULTS Of the 1466 aquatic habitats surveyed, 440 were positive for An. funestus, with river streams having the highest positivity (74%; n = 322) followed by ground pools (15%; n = 67). The final model had an 83% accuracy in predicting positive An. funestus habitats, with the most important characteristics being permanent waters, clear waters with or without vegetation or movement and shading over the habitats. There was also a positive association of An. funestus presence with forested areas and a negative association with built-up areas. Human population densities had no influence on An. funestus distribution. CONCLUSIONS The results of this study underscore the crucial role of both the specific habitat characteristics and key environmental factors, notably land cover, in the distribution of An. funestus. In this study area, An. funestus predominantly inhabits river streams and ground pools, with a preference for clear, perennial waters with shading. The strong positive association with more pristine environments with tree covers and the negative association with built-up areas underscore the importance of ecological transitions in vector distribution and malaria transmission risk. Such spatially explicit predictions could enable more precise interventions, particularly larval source management, to accelerate malaria control.
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Affiliation(s)
- Najat F Kahamba
- Environmental Health and Ecological Sciences Department, Ifakara Health Institute, P. O. Box 53, Ifakara, Tanzania.
- School of Biodiversity, One Health and Veterinary Medicine, University of Glasgow, Glasgow, UK.
| | - Fredros O Okumu
- Environmental Health and Ecological Sciences Department, Ifakara Health Institute, P. O. Box 53, Ifakara, Tanzania
- School of Biodiversity, One Health and Veterinary Medicine, University of Glasgow, Glasgow, UK
- School of Public Health, Faculty of Health Science, University of the Witwatersrand, Johannesburg, South Africa
- Wits Research Institute for Malaria, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
- School of Life Science and Biotechnology, Nelson Mandela African Institution of Science and Technology, P. O. Box 447, Arusha, Tanzania
| | - Mohammed Jumanne
- Environmental Health and Ecological Sciences Department, Ifakara Health Institute, P. O. Box 53, Ifakara, Tanzania
| | - Khamisi Kifungo
- Environmental Health and Ecological Sciences Department, Ifakara Health Institute, P. O. Box 53, Ifakara, Tanzania
| | - Joel O Odero
- Environmental Health and Ecological Sciences Department, Ifakara Health Institute, P. O. Box 53, Ifakara, Tanzania
- School of Biodiversity, One Health and Veterinary Medicine, University of Glasgow, Glasgow, UK
| | - Francesco Baldini
- School of Biodiversity, One Health and Veterinary Medicine, University of Glasgow, Glasgow, UK
| | - Heather M Ferguson
- Environmental Health and Ecological Sciences Department, Ifakara Health Institute, P. O. Box 53, Ifakara, Tanzania
- School of Biodiversity, One Health and Veterinary Medicine, University of Glasgow, Glasgow, UK
| | - Luca Nelli
- School of Biodiversity, One Health and Veterinary Medicine, University of Glasgow, Glasgow, UK.
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14
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Kaboré DPA, Soma DD, Gil P, Kientega M, Sawadogo SP, Ouédraogo GA, Van de Perre P, Baldet T, Gutierrez S, Dabiré RK. Mosquito (Diptera: Culicidae) populations in contrasting areas of the western regions of Burkina Faso: species diversity, abundance and their implications for pathogen transmission. Parasit Vectors 2023; 16:438. [PMID: 38012775 PMCID: PMC10683243 DOI: 10.1186/s13071-023-06050-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 11/07/2023] [Indexed: 11/29/2023] Open
Abstract
BACKGROUND Mosquitoes (Diptera: Culicidae) can have a significant negative impact on human health. The urbanization of natural environments and their conversion for agricultural use, as well as human population growth, may affect mosquito populations and increase the risk of emerging or re-emerging mosquito-borne diseases. We report on the variety and number of adult mosquitoes found in four environments with varying degrees of human impact (rural, urban, rice fields, and forest) located in a savannah zone of West Africa. METHODS Mosquitoes were collected from two regions (Hauts-Bassins and Sud-Ouest) of Burkina Faso during five periods between August 2019 and June 2021. Sampling sites were grouped according to environment. Mosquitoes were collected using BG-Sentinel traps and double net traps, and Prokopack Aspirators. Statistical analyses were performed using R software version 4.1.2. Logistic regression, using generalised mixed linear models, was used to test the effect of environment on mosquito abundance and diversity. Alpha diversity analysis was also performed, using the vegan package. RESULTS A total of 10,625 adult mosquitoes were collected, belonging to 33 species and five genera: Culex, Aedes, Anopheles, Mansonia, and Ficalbia. The most dominant species were Culex quinquefasciatus, Anopheles gambiae sensu lato and Aedes aegypti. Alpha diversity was similar in the two regions. Habitat had a significant effect on mosquito species richness, the Shannon index and the Simpson index. The rural environment had the highest species richness (n = 28) followed by the forest environment (n = 24). The highest number of mosquitoes (4977/10,625) was collected in the urban environment. CONCLUSIONS The species composition of the mosquito populations depended on the type of environment, with fewer species in environments with a high human impact such as urban areas and rice fields. Due to the diversity and abundance of the mosquito vectors, the human populations of all of the environments examined are considered to be at potential risk of mosquito-borne diseases.
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Affiliation(s)
- Didier P Alexandre Kaboré
- Institut de Recherche en Sciences de la Santé (IRSS), 01BP 545, Bobo-Dioulasso, Burkina Faso.
- Université Nazi BONI, Bobo-Dioulasso, Burkina Faso.
| | - Dieudonné Diloma Soma
- Institut de Recherche en Sciences de la Santé (IRSS), 01BP 545, Bobo-Dioulasso, Burkina Faso
- Université Nazi BONI, Bobo-Dioulasso, Burkina Faso
| | - Patricia Gil
- ASTRE Research Unit, CIRAD, INRAe, Montpellier University, Montpellier, France
| | - Mahamadi Kientega
- Institut de Recherche en Sciences de la Santé (IRSS), 01BP 545, Bobo-Dioulasso, Burkina Faso
- Université Nazi BONI, Bobo-Dioulasso, Burkina Faso
| | - Simon P Sawadogo
- Institut de Recherche en Sciences de la Santé (IRSS), 01BP 545, Bobo-Dioulasso, Burkina Faso
| | | | - Philippe Van de Perre
- Pathogenesis and Control of Chronic and Emerging Infections, INSERM, University of Montpellier, EFS; CHU Montpellier, Montpellier, France
| | - Thierry Baldet
- ASTRE Research Unit, CIRAD, INRAe, Montpellier University, Montpellier, France
| | - Serafin Gutierrez
- ASTRE Research Unit, CIRAD, INRAe, Montpellier University, Montpellier, France
| | - Roch K Dabiré
- Institut de Recherche en Sciences de la Santé (IRSS), 01BP 545, Bobo-Dioulasso, Burkina Faso.
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15
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Maia LJ, de Oliveira CH, Silva AB, Souza PAA, Müller NFD, Cardoso JDC, Ribeiro BM, de Abreu FVS, Campos FS. Arbovirus surveillance in mosquitoes: Historical methods, emerging technologies, and challenges ahead. Exp Biol Med (Maywood) 2023; 248:2072-2082. [PMID: 38183286 PMCID: PMC10800135 DOI: 10.1177/15353702231209415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2024] Open
Abstract
Arboviruses cause millions of infections each year; however, only limited options are available for treatment and pharmacological prevention. Mosquitoes are among the most important vectors for the transmission of several pathogens to humans. Despite advances, the sampling, viral detection, and control methods for these insects remain ineffective. Challenges arise with the increase in mosquito populations due to climate change, insecticide resistance, and human interference affecting natural habitats, which contribute to the increasing difficulty in controlling the spread of arboviruses. Therefore, prioritizing arbovirus surveillance is essential for effective epidemic preparedness. In this review, we offer a concise historical account of the discovery and monitoring of arboviruses in mosquitoes, from mosquito capture to viral detection. We then analyzed the advantages and limitations of these traditional methods. Furthermore, we investigated the potential of emerging technologies to address these limitations, including the implementation of next-generation sequencing, paper-based devices, spectroscopic detectors, and synthetic biosensors. We also provide perspectives on recurring issues and areas of interest such as insect-specific viruses.
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Affiliation(s)
- Luis Janssen Maia
- Instituto de Ciências Biológicas, Departamento de Biologia Celular, Laboratório de Baculovírus, Universidade de Brasília, Brasília 70910-900, Brasil
| | - Cirilo Henrique de Oliveira
- Laboratório de Comportamento de Insetos, Instituto Federal do Norte de Minas Gerais, Salinas 39560-000, Brasil
| | - Arthur Batista Silva
- Laboratório de Bioinformática e Biotecnologia, Universidade Federal do Tocantins, Gurupi 77402-970, Brasil
| | - Pedro Augusto Almeida Souza
- Laboratório de Comportamento de Insetos, Instituto Federal do Norte de Minas Gerais, Salinas 39560-000, Brasil
| | - Nicolas Felipe Drumm Müller
- Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-003, Brasil
| | - Jader da Cruz Cardoso
- Divisão de Vigilância Ambiental em Saúde, Centro Estadual de Vigilância em Saúde, Secretaria Estadual de Saúde do Rio Grande do Sul, Porto Alegre 90610-000, Brasil
| | - Bergmann Morais Ribeiro
- Instituto de Ciências Biológicas, Departamento de Biologia Celular, Laboratório de Baculovírus, Universidade de Brasília, Brasília 70910-900, Brasil
| | | | - Fabrício Souza Campos
- Laboratório de Bioinformática e Biotecnologia, Universidade Federal do Tocantins, Gurupi 77402-970, Brasil
- Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-003, Brasil
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16
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Gonzalez-Daza W, Vivero-Gómez RJ, Altamiranda-Saavedra M, Muylaert RL, Landeiro VL. Time lag effect on malaria transmission dynamics in an Amazonian Colombian municipality and importance for early warning systems. Sci Rep 2023; 13:18636. [PMID: 37903862 PMCID: PMC10616112 DOI: 10.1038/s41598-023-44821-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 10/12/2023] [Indexed: 11/01/2023] Open
Abstract
Malaria remains a significant public health problem worldwide, particularly in low-income regions with limited access to healthcare. Despite the use of antimalarial drugs, transmission remains an issue in Colombia, especially among indigenous populations in remote areas. In this study, we used an SIR Ross MacDonald model that considered land use change, temperature, and precipitation to analyze eco epidemiological parameters and the impact of time lags on malaria transmission in La Pedrera-Amazonas municipality. We found changes in land use between 2007 and 2020, with increases in forested areas, urban infrastructure and water edges resulting in a constant increase in mosquito carrying capacity. Temperature and precipitation variables exhibited a fluctuating pattern that corresponded to rainy and dry seasons, respectively and a marked influence of the El Niño climatic phenomenon. Our findings suggest that elevated precipitation and temperature increase malaria infection risk in the following 2 months. The risk is influenced by the secondary vegetation and urban infrastructure near primary forest formation or water body edges. These results may help public health officials and policymakers develop effective malaria control strategies by monitoring precipitation, temperature, and land use variables to flag high-risk areas and critical periods, considering the time lag effect.
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Affiliation(s)
- William Gonzalez-Daza
- Programa do Pós-Graduação em Ecologia e Conservação da Biodiversidade, Departamento de Biociências, Universidade Federal de Mato Grosso, Cuiabá, MT, 78060-900, Brazil.
| | - Rafael Jose Vivero-Gómez
- Grupo de Microbiodiversidad y Bioprospección, Laboratorio de Biología Celular y Molecular, Universidad Nacional de Colombia Sede Medellín, Street 59A #63-20, 050003, Medellín, Colombia
- Programa de Estudio y Control de Enfermedades Tropicales-PECET, Universidad de Antioquia, Calle 62 No. 52-59 Laboratorio 632, Medellín, Colombia
| | | | - Renata L Muylaert
- Molecular Epidemiology and Public Health Laboratory, School of Veterinary Science, Massey University, Palmerston North, New Zealand
| | - Victor Lemes Landeiro
- Departamento de Botânica e Ecologia, Instituto de Biociências, Universidade Federal de Mato Grosso, Cuiabá, MT, 78060-900, Brazil
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Hermanns K, Marklewitz M, Zirkel F, Kopp A, Kramer-Schadt S, Junglen S. Mosquito community composition shapes virus prevalence patterns along anthropogenic disturbance gradients. eLife 2023; 12:e66550. [PMID: 37702388 PMCID: PMC10547478 DOI: 10.7554/elife.66550] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 09/12/2023] [Indexed: 09/14/2023] Open
Abstract
Previously unknown pathogens often emerge from primary ecosystems, but there is little knowledge on the mechanisms of emergence. Most studies analyzing the influence of land-use change on pathogen emergence focus on a single host-pathogen system and often observe contradictory effects. Here, we studied virus diversity and prevalence patterns in natural and disturbed ecosystems using a multi-host and multi-taxa approach. Mosquitoes sampled along a disturbance gradient in Côte d'Ivoire were tested by generic RT-PCR assays established for all major arbovirus and insect-specific virus taxa including novel viruses previously discovered in these samples based on cell culture isolates enabling an unbiased and comprehensive approach. The taxonomic composition of detected viruses was characterized and viral infection rates according to habitat and host were analyzed. We detected 331 viral sequences pertaining to 34 novel and 15 previously identified viruses of the families Flavi-, Rhabdo-, Reo-, Toga-, Mesoni- and Iflaviridae and the order Bunyavirales. Highest host and virus diversity was observed in pristine and intermediately disturbed habitats. The majority of the 49 viruses was detected with low prevalence. However, nine viruses were found frequently across different habitats of which five viruses increased in prevalence towards disturbed habitats, in congruence with the dilution effect hypothesis. These viruses were mainly associated with one specific mosquito species (Culex nebulosus), which increased in relative abundance from pristine (3%) to disturbed habitats (38%). Interestingly, the observed increased prevalence of these five viruses in disturbed habitats was not caused by higher host infection rates but by increased host abundance, an effect tentatively named abundance effect. Our data show that host species composition is critical for virus abundance. Environmental changes that lead to an uneven host community composition and to more individuals of a single species are a key driver of virus emergence.
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Affiliation(s)
- Kyra Hermanns
- Institute of Virology, Charité - Universitätsmedizin Berlin, corporate member of Free University Berlin, Humboldt-Universtiy Berlin, and Berlin Institute of HealthBerlinGermany
| | - Marco Marklewitz
- Institute of Virology, Charité - Universitätsmedizin Berlin, corporate member of Free University Berlin, Humboldt-Universtiy Berlin, and Berlin Institute of HealthBerlinGermany
| | - Florian Zirkel
- Institute of Virology, University of Bonn Medical CentreBerlinGermany
| | - Anne Kopp
- Institute of Virology, Charité - Universitätsmedizin Berlin, corporate member of Free University Berlin, Humboldt-Universtiy Berlin, and Berlin Institute of HealthBerlinGermany
| | - Stephanie Kramer-Schadt
- Department of Ecological Dynamics, Leibniz Institute for Zoo and Wildlife ResearchBerlinGermany
- Institute of Ecology, Technische Universität BerlinBerlinGermany
| | - Sandra Junglen
- Institute of Virology, Charité - Universitätsmedizin Berlin, corporate member of Free University Berlin, Humboldt-Universtiy Berlin, and Berlin Institute of HealthBerlinGermany
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Gouda KC, Pernaje N, Benke M. Climate parameter and malaria association in north-east India. J Parasit Dis 2023; 47:501-512. [PMID: 37520211 PMCID: PMC10382377 DOI: 10.1007/s12639-023-01585-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 04/12/2023] [Indexed: 08/01/2023] Open
Abstract
This study was performed in order to understand the effect of climatological variables on the malaria situation in the north-east region of India, which is prolonged by the disease. Time-series analysis of major climate parameters like rainfall, maximum temperature, minimum temperature, mean temperature, relative humidity, and soil moisture distributions is carried out, and their correlation with the malaria incidence is quantified state-wise, which is the unique part of the study. The correlation analysis reveals that malaria is significantly related with the maximum temperature and soil moisture in three out of eight states in NE India. To assess the climate variability, the inter-dependency between the meteorological parameters is obtained and the state wise correlation matrix for all states are reported. The analysis shows that maximum and mean temperature has highest positive correlation whereas minimum temperature and relative humidity has negative correlation. The climate-malaria relation is being carried out in the study region using the regression analysis and the results revealed that the regional climate has the most impact for the malaria incidence in the state of Arunachal Pradesh, Meghalaya, Tripura and Nagaland and in other states the impact is moderate. Analysis of variance modelling in the regions also indicates the degree of the fitment of both the data sets with the regression model and it is observed that the relation is also significant in the same 4 states. As a case study the impact of large scale oscillations like El Niño-Southern Oscillation on the malaria load is also assessed which can be a good indicator in the prediction of the climate and in turn the malaria incidences over the region.
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Affiliation(s)
- K. C. Gouda
- CSIR Fourth Paradigm Institute, Wind Tunnel Road, Bangalore, 560037 India
| | | | - Mahendra Benke
- CSIR Fourth Paradigm Institute, Wind Tunnel Road, Bangalore, 560037 India
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Natasha JA, Yasmin AR, Kumar Sharma RS, Nur-Fazila SH, Nur-Mahiza MI, Arshad SS, Mohammed HO, Kumar K, Keng Loong S, Ahmad Khusaini MKS. Mosquito as West Nile Virus Vector: Global Timeline of Detection, Characteristic, and Biology. PERTANIKA JOURNAL OF TROPICAL AGRICULTURAL SCIENCE 2023; 46:1063-1081. [DOI: 10.47836/pjtas.46.3.18] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
Mosquitoes are extremely important vectors that transmit zoonotic West Nile virus (WNV) globally, resulting in significant outbreaks in birds, humans, and mammals. The abundance of mosquito vectors combined with the migratory flying behaviour of wild birds across the globe has exacerbated the dynamics of WNV infection. Depth understanding of the WNV infection requires a comprehensive understanding of the character of the vector in terms of their taxonomy, morphology, biology, behaviours, preferences, and factors that promote their breeding. Most susceptible animals and humans may experience serious neurological illnesses such as encephalitis. Little is known about the susceptibility of mosquitoes to WNV infection. This review provides insightful knowledge about the characteristics of mosquitoes that carry WNV and their susceptibility to WNV infection. The context of mosquito’s involvement in WNV transmission is demonstrated through space and time from the 1950’s until to date. The historical timeline of WNV transmission strength was significantly intensified via the complex interactions between vector, virus, and environment. Such knowledge will provide valuable insights into vector control intervention mitigation strategies, especially in tropical climate countries like Malaysia.
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Gonzalez Daza W, Muylaert RL, Sobral-Souza T, Lemes Landeiro V. Malaria Risk Drivers in the Brazilian Amazon: Land Use-Land Cover Interactions and Biological Diversity. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:6497. [PMID: 37569037 PMCID: PMC10419050 DOI: 10.3390/ijerph20156497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 07/06/2023] [Accepted: 07/27/2023] [Indexed: 08/13/2023]
Abstract
Malaria is a prevalent disease in several tropical and subtropical regions, including Brazil, where it remains a significant public health concern. Even though there have been substantial efforts to decrease the number of cases, the reoccurrence of epidemics in regions that have been free of cases for many years presents a significant challenge. Due to the multifaceted factors that influence the spread of malaria, influencing malaria risk factors were analyzed through regional outbreak cluster analysis and spatio-temporal models in the Brazilian Amazon, incorporating climate, land use/cover interactions, species richness, and number of endemic birds and amphibians. Results showed that high amphibian and bird richness and endemism correlated with a reduction in malaria risk. The presence of forest had a risk-increasing effect, but it depended on its juxtaposition with anthropic land uses. Biodiversity and landscape composition, rather than forest formation presence alone, modulated malaria risk in the period. Areas with low endemic species diversity and high human activity, predominantly anthropogenic landscapes, posed high malaria risk. This study underscores the importance of considering the broader ecological context in malaria control efforts.
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Affiliation(s)
- William Gonzalez Daza
- Programa do Pós-Graduação em Ecologia e Conservação da Biodiversidade, Departamento de Biociências, Av. Fernando Corrêa da Costa, 2367, Cuiabá 78060-900, MT, Brazil
| | - Renata L. Muylaert
- Molecular Epidemiology and Public Health Laboratory, School of Veterinary Science, Massey University, Palmerston North 4472, New Zealand;
| | - Thadeu Sobral-Souza
- Departamento de Botânica e Ecologia, Instituto de Biociências, Universidade Federal de Mato Grosso (UFMT), Cuiabá 78060-900, MT, Brazil; (T.S.-S.); (V.L.L.)
| | - Victor Lemes Landeiro
- Departamento de Botânica e Ecologia, Instituto de Biociências, Universidade Federal de Mato Grosso (UFMT), Cuiabá 78060-900, MT, Brazil; (T.S.-S.); (V.L.L.)
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Fletcher IK, Gibb R, Lowe R, Jones KE. Differing taxonomic responses of mosquito vectors to anthropogenic land-use change in Latin America and the Caribbean. PLoS Negl Trop Dis 2023; 17:e0011450. [PMID: 37450491 PMCID: PMC10348580 DOI: 10.1371/journal.pntd.0011450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 06/08/2023] [Indexed: 07/18/2023] Open
Abstract
Anthropogenic land-use change, such as deforestation and urban development, can affect the emergence and re-emergence of mosquito-borne diseases, e.g., dengue and malaria, by creating more favourable vector habitats. There has been a limited assessment of how mosquito vectors respond to land-use changes, including differential species responses, and the dynamic nature of these responses. Improved understanding could help design effective disease control strategies. We compiled an extensive dataset of 10,244 Aedes and Anopheles mosquito abundance records across multiple land-use types at 632 sites in Latin America and the Caribbean. Using a Bayesian mixed effects modelling framework to account for between-study differences, we compared spatial differences in the abundance and species richness of mosquitoes across multiple land-use types, including agricultural and urban areas. Overall, we found that mosquito responses to anthropogenic land-use change were highly inconsistent, with pronounced responses observed at the genus- and species levels. There were strong declines in Aedes (-26%) and Anopheles (-35%) species richness in urban areas, however certain species such as Aedes aegypti, thrived in response to anthropogenic disturbance. When abundance records were coupled with remotely sensed forest loss data, we detected a strong positive response of dominant and secondary malaria vectors to recent deforestation. This highlights the importance of the temporal dynamics of land-use change in driving disease risk and the value of large synthetic datasets for understanding changing disease risk with environmental change.
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Affiliation(s)
- Isabel K. Fletcher
- Centre for Mathematical Modelling of Infectious Diseases, London School of Hygiene & Tropical Medicine, London, United Kingdom
- Centre on Climate Change and Planetary Health, London School of Hygiene & Tropical Medicine, London, United Kingdom
| | - Rory Gibb
- Centre for Mathematical Modelling of Infectious Diseases, London School of Hygiene & Tropical Medicine, London, United Kingdom
- Centre on Climate Change and Planetary Health, London School of Hygiene & Tropical Medicine, London, United Kingdom
- Centre for Biodiversity and Environment Research, University College London, London, United Kingdom
| | - Rachel Lowe
- Centre for Mathematical Modelling of Infectious Diseases, London School of Hygiene & Tropical Medicine, London, United Kingdom
- Centre on Climate Change and Planetary Health, London School of Hygiene & Tropical Medicine, London, United Kingdom
- Barcelona Supercomputing Center (BSC), Barcelona, Spain
- Catalan Institution for Research and Advanced Studies (ICREA), Barcelona, Spain
| | - Kate E. Jones
- Centre for Biodiversity and Environment Research, University College London, London, United Kingdom
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Bauer IL. The oral repellent - science fiction or common sense? Insects, vector-borne diseases, failing strategies, and a bold proposition. Trop Dis Travel Med Vaccines 2023; 9:7. [PMID: 37381000 DOI: 10.1186/s40794-023-00195-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 06/09/2023] [Indexed: 06/30/2023] Open
Abstract
Over the last decades, unimaginable amounts of money have gone into research and development of vector control measures, repellents, treatment, and vaccines for vector borne diseases. Technological progress and scientific breakthroughs allowed for ever more sophisticated and futuristic strategies. Yet, each year, millions of people still die or suffer from potentially serious consequences of malaria or dengue to more recent infections, such as zika or chikungunya, or of debilitating consequences of neglected tropical diseases. This does not seem value for money. In addition, all current vector control strategies and personal protection methods have shortcomings, some serious, that are either destructive to non-target species or unsatisfactory in their effectiveness. On the other hand, the rapid decline in insect populations and their predators reflects decades-long aggressive and indiscriminate vector control. This major disruption of biodiversity has an impact on human life not anticipated by the well-meaning killing of invertebrates. The objective of this paper is to re-examine current control methods, their effectiveness, their impact on biodiversity, human and animal health, and to call for scientific courage in the pursuit of fresh ideas. This paper brings together topics that are usually presented in isolation, thereby missing important links that offer potential solutions to long-standing problems in global health. First, it serves as a reminder of the importance of insects to human life and discusses the few that play a role in transmitting disease. Next, it examines critically the many currently employed vector control strategies and personal protection methods. Finally, based on new insights into insect chemo-sensation and attractants, this perspective makes a case for revisiting a previously abandoned idea, the oral repellent, and its use via currently successful methods of mass-application. The call is out for focused research to provide a powerful tool for public health, tropical medicine, and travel medicine.
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Affiliation(s)
- Irmgard L Bauer
- College of Healthcare Sciences, Academy - Tropical Health and Medicine, James Cook University, Townsville, QLD, 4811, Australia.
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23
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Zharkov D, Nizamutdinov T, Dubovikoff D, Abakumov E, Pospelova A. Navigating Agricultural Expansion in Harsh Conditions in Russia: Balancing Development with Insect Protection in the Era of Pesticides. INSECTS 2023; 14:557. [PMID: 37367373 DOI: 10.3390/insects14060557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 06/10/2023] [Accepted: 06/12/2023] [Indexed: 06/28/2023]
Abstract
As the world's population continues to increase, ensuring food security becomes a major problem. This often leads to the expansion of agricultural production, even in harsh conditions and becomes a key problem for many countries, including Russia. However, such expansion may entail certain costs, including the potential loss of insect populations, which are vital for ecological balance and agricultural productivity. The development of fallow lands in these regions is necessary to increase food production and increase food security; it is important to balance this with protection from harmful insects and sustainable farming methods. Research into the effects of insecticides on insects is an ongoing challenge, and new, sustainable farming methods are needed to ensure that protection from harmful insects and sustainable development can coexist. This article discusses the use of pesticides to protect the well-being of mankind, the problems of studying the effects of pesticides on insects and the vulnerability of insects to pesticides in regions with harsh conditions. It also discusses successful methods of sustainable agriculture and the importance of the legal framework governing the use of pesticides. The article emphasises the importance of balanced development with insect protection to ensure the sustainability of agricultural expansion in harsh conditions.
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Affiliation(s)
- Dmitry Zharkov
- Department of Applied Ecology, Faculty of Biology, Saint Petersburg State University, Saint Petersburg 199034, Russia
| | - Timur Nizamutdinov
- Department of Applied Ecology, Faculty of Biology, Saint Petersburg State University, Saint Petersburg 199034, Russia
| | - Dmitry Dubovikoff
- Department of Applied Ecology, Faculty of Biology, Saint Petersburg State University, Saint Petersburg 199034, Russia
| | - Evgeny Abakumov
- Department of Applied Ecology, Faculty of Biology, Saint Petersburg State University, Saint Petersburg 199034, Russia
| | - Alena Pospelova
- Department of Invertebrate Zoology, Faculty of Biology, Perm State National Research University, Perm 614068, Russia
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24
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Esposito MM, Turku S, Lehrfield L, Shoman A. The Impact of Human Activities on Zoonotic Infection Transmissions. Animals (Basel) 2023; 13:1646. [PMID: 37238075 PMCID: PMC10215220 DOI: 10.3390/ani13101646] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 05/04/2023] [Accepted: 05/11/2023] [Indexed: 05/28/2023] Open
Abstract
As humans expand their territories across more and more regions of the planet, activities such as deforestation, urbanization, tourism, wildlife exploitation, and climate change can have drastic consequences for animal movements and animal-human interactions. These events, especially climate change, can also affect the arthropod vectors that are associated with the animals in these scenarios. As the COVID-19 pandemic and other various significant outbreaks throughout the centuries have demonstrated, when animal patterns and human interactions change, so does the exposure of humans to zoonotic pathogens potentially carried by wildlife. With approximately 60% of emerging human pathogens and around 75% of all emerging infectious diseases being categorized as zoonotic, it is of great importance to examine the impact of human activities on the prevalence and transmission of these infectious agents. A better understanding of the impact of human-related factors on zoonotic disease transmission and prevalence can help drive the preventative measures and containment policies necessary to improve public health.
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Affiliation(s)
- Michelle Marie Esposito
- Department of Biology, College of Staten Island, City University of New York, Staten Island, New York, NY 10314, USA
- Ph.D. Program in Biology, The Graduate Center, City University of New York, New York, NY 10314, USA
- Macaulay Honors College, City University of New York, New York, NY 10314, USA
| | - Sara Turku
- Department of Biology, College of Staten Island, City University of New York, Staten Island, New York, NY 10314, USA
- Macaulay Honors College, City University of New York, New York, NY 10314, USA
| | - Leora Lehrfield
- Department of Biology, College of Staten Island, City University of New York, Staten Island, New York, NY 10314, USA
- Macaulay Honors College, City University of New York, New York, NY 10314, USA
| | - Ayat Shoman
- Department of Biology, College of Staten Island, City University of New York, Staten Island, New York, NY 10314, USA
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Zhao Z, Yue Y, Liu X, Li C, Ma W, Liu Q. The patterns and driving forces of dengue invasions in China. Infect Dis Poverty 2023; 12:42. [PMID: 37085941 PMCID: PMC10119823 DOI: 10.1186/s40249-023-01093-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 04/04/2023] [Indexed: 04/23/2023] Open
Abstract
BACKGROUND Global connectivity and environmental change pose continuous threats to dengue invasions from worldwide to China. However, the intrinsic relationship on introduction and outbreak risks of dengue driven by the landscape features are still unknown. This study aimed to map the patterns on source-sink relation of dengue cases and assess the driving forces for dengue invasions in China. METHODS We identified the local and imported cases (2006-2020) and assembled the datasets on environmental conditions. The vector auto-regression model was applied to detect the cross-relations of source-sink patterns. We selected the major environmental drivers via the Boruta algorithm to assess the driving forces in dengue outbreak dynamics by applying generalized additive models. We reconstructed the internal connections among imported cases, local cases, and external environmental drivers using the structural equation modeling. RESULTS From 2006 to 2020, 81,652 local dengue cases and 12,701 imported dengue cases in China were reported. The hotspots of dengue introductions and outbreaks were in southeast and southwest China, originating from South and Southeast Asia. Oversea-imported dengue cases, as the Granger-cause, were the initial driver of the dengue dynamic; the suitable local bio-socioecological environment is the fundamental factor for dengue epidemics. The Bio8 [odds ratio (OR) = 2.11, 95% confidence interval (CI): 1.67-2.68], Bio9 (OR = 291.62, 95% CI: 125.63-676.89), Bio15 (OR = 4.15, 95% CI: 3.30-5.24), normalized difference vegetation index in March (OR = 1.27, 95% CI: 1.06-1.51) and July (OR = 1.04, 95% CI: 1.00-1.07), and the imported cases are the major drivers of dengue local transmissions (OR = 4.79, 95% CI: 4.34-5.28). The intermediary effect of an index on population and economic development to local cases via the path of imported cases was detected in the dengue dynamic system. CONCLUSIONS Dengue outbreaks in China are triggered by introductions of imported cases and boosted by landscape features and connectivity. Our research will contribute to developing nature-based solutions for dengue surveillance, mitigation, and control from a socio-ecological perspective based on invasion ecology theories to control and prevent future dengue invasion and localization.
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Affiliation(s)
- Zhe Zhao
- Department of Epidemiology, School of Public Health, Cheeloo College of Medicine, Shandong University, 44 Wenhua Road, Lixia District, Jinan, 250012, People's Republic of China
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 155 Changbai Road, Changping District, Beijing, 102206, People's Republic of China
- Department of Vector Control, School of Public Health, Cheeloo College of Medicine, Shandong University, 44 Wenhua Road, Lixia District, Jinan, 250012, People's Republic of China
- Shandong University Climate Change and Health Center, Jinan, 250012, People's Republic of China
| | - Yujuan Yue
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 155 Changbai Road, Changping District, Beijing, 102206, People's Republic of China
- Department of Vector Control, School of Public Health, Cheeloo College of Medicine, Shandong University, 44 Wenhua Road, Lixia District, Jinan, 250012, People's Republic of China
| | - Xiaobo Liu
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 155 Changbai Road, Changping District, Beijing, 102206, People's Republic of China
- Department of Vector Control, School of Public Health, Cheeloo College of Medicine, Shandong University, 44 Wenhua Road, Lixia District, Jinan, 250012, People's Republic of China
| | - Chuanxi Li
- Department of Epidemiology, School of Public Health, Cheeloo College of Medicine, Shandong University, 44 Wenhua Road, Lixia District, Jinan, 250012, People's Republic of China
- Shandong University Climate Change and Health Center, Jinan, 250012, People's Republic of China
| | - Wei Ma
- Department of Epidemiology, School of Public Health, Cheeloo College of Medicine, Shandong University, 44 Wenhua Road, Lixia District, Jinan, 250012, People's Republic of China.
- Shandong University Climate Change and Health Center, Jinan, 250012, People's Republic of China.
| | - Qiyong Liu
- Department of Epidemiology, School of Public Health, Cheeloo College of Medicine, Shandong University, 44 Wenhua Road, Lixia District, Jinan, 250012, People's Republic of China.
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 155 Changbai Road, Changping District, Beijing, 102206, People's Republic of China.
- Department of Vector Control, School of Public Health, Cheeloo College of Medicine, Shandong University, 44 Wenhua Road, Lixia District, Jinan, 250012, People's Republic of China.
- Shandong University Climate Change and Health Center, Jinan, 250012, People's Republic of China.
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Vasilakis N, Hanley KA. The Coordinating Research on Emerging Arboviral Threats Encompassing the Neotropics (CREATE-NEO). ZOONOSES (BURLINGTON, MASS.) 2023; 3:16. [PMID: 37860630 PMCID: PMC10586723 DOI: 10.15212/zoonoses-2022-0047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2023]
Abstract
Arthropod-borne viruses, such as dengue, Zika and Mayaro, are emerging at an accelerating rate in the neotropics. The Coordinating Research on Emerging Arboviral Threats Encompassing the Neotropics (CREATE-NEO) project, a part of the NIH funded Centers for Research in Emerging Infectious Diseases (CREID) network provides a nimble and flexible network of surveillance sites in Central and South America coupled to cutting-edge modeling approaches in order to anticipate and counter these threats to public health. Collected data and generated models will be utilized to inform and alert local, regional and global public health agencies of enzootic arboviruses with high risk of spillover, emergence and transmission among humans, and/or international spread. Critically, CREATE-NEO builds capacity in situ to anticipate, detect and respond to emerging arboviruses at their point of origin, thereby maximizing the potential to avert full-blown emergence and widespread epidemics.
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Affiliation(s)
- Nikos Vasilakis
- Department of Pathology, University of Texas Medical Branch, 301 University Blvd., Galveston, TX 77555-0609, USA
- Department of Preventive Medicine and Population Health, The University of Texas Medical Branch, Galveston, TX 77555-1150, USA
- Center for Vector-Borne and Zoonotic Diseases, The University of Texas Medical Branch, Galveston, TX 77555-0609, USA
- Center for Biodefense and Emerging Infectious Diseases, University of Texas Medical Branch, 301 University Blvd., Galveston, TX 77555-0609, USA
- Center for Tropical Diseases, University of Texas Medical Branch, 301 University Blvd., Galveston, TX 77555-0609, USA
- Institute for Human Infection and Immunity, University of Texas Medical Branch, 301 University Blvd., Galveston, TX 77555-0610, USA
| | - Kathryn A. Hanley
- Department of Biology, New Mexico State University, Las Cruces, NM 88003, USA
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27
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Perrin A, Schaffner F, Christe P, Glaizot O. Relative effects of urbanisation, deforestation, and agricultural development on mosquito communities. LANDSCAPE ECOLOGY 2023; 38:1527-1536. [PMID: 37229481 PMCID: PMC10203030 DOI: 10.1007/s10980-023-01634-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 03/05/2023] [Indexed: 05/27/2023]
Abstract
Context Despite numerous studies that showed negative effects of landscape anthropisation on species abundance and diversity, the relative effects of urbanisation, deforestation, and agricultural development as well as the spatial extent at which they act are much less studied. This is particularly the case for mosquitoes, which are the most important arthropods affecting human health. Objectives We determined the scale of effect of these three landscape anthropisation components on mosquito abundance and diversity. We then assessed which landscape variables had the most effect as well as their independent positive or negative effects. Methods We used mosquito data collected by Schaffner and Mathis (2013) in 16 sampling sites in Switzerland. We measured forest, urban and agricultural amounts in 485 concentric landscapes (from 150 to 5000 m radius) around each sampling site. We then identified the spatial extent at which each landscape metric best predicted abundance and diversity of mosquito species and compared the effect size of each landscape component on each response variable. Results In Switzerland, urbanisation and deforestation have a greater influence on mosquito diversity than agricultural development, and do not act at the same scale. Conversely, the scale of effect on mosquito abundance is relatively similar across the different landscape anthropisation components or across mosquito species, except for Culex pipiens. However, the effect size of each landscape component varies according to mosquito species. Conclusion The scale of management must be selected according to the conservation concern. In addition, a multi-scale approach is recommended for effective mosquito community management. Supplementary Information The online version contains supplementary material available at 10.1007/s10980-023-01634-w.
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Affiliation(s)
- Antoine Perrin
- Department of Ecology and Evolution, University of Lausanne, UNIL-Sorge, Biophore, 1015 Lausanne, Switzerland
| | - Francis Schaffner
- National Centre for Vector Entomology, Institute of Parasitology, University of Zürich, 8057 Zurich, Switzerland
- Francis Schaffner Consultancy, 4125 Riehen, Switzerland
| | - Philippe Christe
- Department of Ecology and Evolution, University of Lausanne, UNIL-Sorge, Biophore, 1015 Lausanne, Switzerland
| | - Olivier Glaizot
- Department of Ecology and Evolution, University of Lausanne, UNIL-Sorge, Biophore, 1015 Lausanne, Switzerland
- Museum of Zoology, 1014 Lausanne, Switzerland
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Canelas T, Thomsen E, Kamgang B, Kelly‐Hope LA. Demographic and environmental factors associated with the distribution of Aedes albopictus in Cameroon. MEDICAL AND VETERINARY ENTOMOLOGY 2023; 37:143-151. [PMID: 36264191 PMCID: PMC10092813 DOI: 10.1111/mve.12619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 09/26/2022] [Indexed: 06/16/2023]
Abstract
Aedes-transmitted arboviruses have spread globally due to the spread of Aedes aegypti and Aedes albopictus. Its distribution is associated with human and physical geography. However, these factors have not been quantified in Cameroon. Therefore, the aim was to develop an Ae. albopictus geo-referenced database to examine the risk factors associated with the vector distribution in Cameroon. Data on the Ae. albopictus presence and absence were collated and mapped from studies in published scientific literature between 2000 and 2020. Publicly available earth observation data were used to assess human geography, land use and climate risk factors related to the vector distribution. A logistic binomial regression was conducted to identify the significant risk factors associated with Ae. albopictus distribution. In total, 111 data points were collated (presence = 87; absence = 24). Different data collection methods and sites hindered the spatiotemporal analysis. An increase of one wet month in a year increased the odds of Ae. albopictus presence by 5.6 times. One unit of peri-urban area increased the odds by 1.3 times. Using publicly available demographic and environmental data to better understand the key determinants of mosquito distributions may facilitate appropriately targeted public health messages and vector control strategies.
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Affiliation(s)
- Tiago Canelas
- Department of Vector BiologyLiverpool School of Tropical MedicineLiverpoolUK
- Medical Research Council Epidemiology UnitUniversity of CambridgeCambridgeUK
| | - Edward Thomsen
- Department of Vector BiologyLiverpool School of Tropical MedicineLiverpoolUK
| | - Basile Kamgang
- Department of Medical EntomologyCentre for Research in Infectious DiseasesYaoundéCameroon
| | - Louise A. Kelly‐Hope
- Department of Livestock and One HealthInstitute of Infection, Veterinary and Ecological Sciences, University of LiverpoolLiverpoolUK
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Perrin A, Pellet J, Bergonzoli L, Christe P, Glaizot O. Amphibian abundance is associated with reduced mosquito presence in human‐modified landscapes. Ecosphere 2023. [DOI: 10.1002/ecs2.4484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2023] Open
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30
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Olagunju EA. Is the presence of mosquitoes an indicator of poor environmental sanitation? JOURNAL OF WATER AND HEALTH 2023; 21:385-401. [PMID: 37338318 PMCID: wh_2023_280 DOI: 10.2166/wh.2023.280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/21/2023]
Abstract
The World Health Organization has designated mosquitoes as the most lethal animal since they are known to spread pathogen-transmitting organisms. Understanding the many environmental elements that contribute to the spread of these vectors is one of the many strategies used to stop them. If there are mosquitoes around people, it may indicate that there is not an appropriate environmental sanitation program in place in the community or region. Environmental sanitation involves improving any elements of the physical environment that could have a negative impact on a person's survival, health, or physical environment. Keywords containing 'Aedes,' 'Culex,' 'Anopheles,' 'dengue,' 'malaria,' 'yellow fever,' 'Zika,' 'West Nile,' 'chikungunya,' 'resident,' 'environment,' 'sanitation,' 'mosquito control,' and 'breeding sites' of published articles on PubMed, Google Scholar, and ResearchGate were reviewed. It was discovered that the general population should be involved in mosquito and mosquito-borne disease control. Collaboration between health professionals and the general population is essential. The purpose of this paper is to increase public awareness of environmental health issues related to diseases carried by mosquitoes.
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Affiliation(s)
- Emmanuel Ajibola Olagunju
- Department of Crop and Environmental Protection, Faculty of Agricultural Sciences, Ladoke Akintola University of Technology, Ogbomoso, Nigeria E-mail:
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García-Romero C, Carrillo Bilbao GA, Navarro JC, Martin-Solano S, Saegerman C. Arboviruses in Mammals in the Neotropics: A Systematic Review to Strengthen Epidemiological Monitoring Strategies and Conservation Medicine. Viruses 2023; 15:417. [PMID: 36851630 PMCID: PMC9962704 DOI: 10.3390/v15020417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/29/2023] [Accepted: 01/30/2023] [Indexed: 02/05/2023] Open
Abstract
Arthropod-borne viruses (arboviruses) are a diverse group of ribonucleic acid (RNA) viruses, with the exception of African swine fever virus, that are transmitted by hematophagous arthropods to a vertebrate host. They are the important cause of many diseases due to their ability to spread in different environments and their diversity of vectors. Currently, there is no information on the geographical distribution of the diseases because the routes of transmission and the mammals (wild or domestic) that act as potential hosts are poorly documented or unknown. We conducted a systematic review from 1967 to 2021 to identify the diversity of arboviruses, the areas, and taxonomic groups that have been monitored, the prevalence of positive records, and the associated risk factors. We identified forty-three arboviruses in nine mammalian orders distributed in eleven countries. In Brazil, the order primates harbor the highest number of arbovirus records. The three most recorded arboviruses were Venezuelan equine encephalitis, Saint Louis encephalitis and West Nile virus. Serum is the most used sample to obtain arbovirus records. Deforestation is identified as the main risk factor for arbovirus transmission between different species and environments (an odds ratio of 1.46 with a 95% confidence interval: 1.34-1.59). The results show an increase in the sampling effort over the years in the neotropical region. Despite the importance of arboviruses for public health, little is known about the interaction of arboviruses, their hosts, and vectors, as some countries and mammalian orders have not yet been monitored. Long-term and constant monitoring allows focusing research on the analysis of the interrelationships and characteristics of each component animal, human, and their environment to understand the dynamics of the diseases and guide epidemiological surveillance and vector control programs. The biodiversity of the Neotropics should be considered to support epidemiological monitoring strategies.
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Affiliation(s)
- Cinthya García-Romero
- Maestría en Biodiversidad y Cambio Climático, Facultad de Ciencias del Medio Ambiente, Universidad Tecnológica Indoamérica, Quito 170521, Ecuador
- Instituto de Investigación en Zoonosis (CIZ), Universidad Central del Ecuador, Quito 170521, Ecuador
| | - Gabriel Alberto Carrillo Bilbao
- Instituto de Investigación en Zoonosis (CIZ), Universidad Central del Ecuador, Quito 170521, Ecuador
- Research Unit of Epidemiology and Risk Analysis Applied to Veterinary Sciences (UREAR-ULiege), Fundamental and Applied Research for Animal and Health (FARAH) Center, Department of Infections and Parasitic Diseases, Faculty of Veterinary Medicine, University of Liège, B-4000 Liège, Belgium
- Facultad de Filosofía, Letras y Ciencias de la Educación, Universidad Central del Ecuador, Quito 170521, Ecuador
| | - Juan-Carlos Navarro
- Grupo de Investigación en Enfermedades Emergentes, Ecoepidemiología y Biodiversidad, Facultad de Ciencias de la Salud, Universidad Internacional SEK, Quito 170521, Ecuador
| | - Sarah Martin-Solano
- Instituto de Investigación en Zoonosis (CIZ), Universidad Central del Ecuador, Quito 170521, Ecuador
- Grupo de Investigación en Sanidad Animal y Humana (GISAH), Carrera Ingeniería en Biotecnología, Departamento de Ciencias de la Vida y la Agricultura, Universidad de las Fuerzas Armadas—ESPE, P.O. Box 171-5-231B, Sangolquí 171103, Ecuador
| | - Claude Saegerman
- Research Unit of Epidemiology and Risk Analysis Applied to Veterinary Sciences (UREAR-ULiege), Fundamental and Applied Research for Animal and Health (FARAH) Center, Department of Infections and Parasitic Diseases, Faculty of Veterinary Medicine, University of Liège, B-4000 Liège, Belgium
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Morejon B, Michel K. A zone-of-inhibition assay to screen for humoral antimicrobial activity in mosquito hemolymph. Front Cell Infect Microbiol 2023; 13:891577. [PMID: 36779191 PMCID: PMC9908765 DOI: 10.3389/fcimb.2023.891577] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 01/10/2023] [Indexed: 01/27/2023] Open
Abstract
In insects, antibacterial immunity largely depends on the activation of downstream signaling and effector responses, leading to the synthesis and secretion of soluble effector molecules, such as antimicrobial peptides (AMPs). AMPs are acute infection response peptides secreted into the hemolymph upon bacterial stimulation. The transcription of innate immunity genes encoding for AMPs is highly dependent on several signaling cascade pathways, such as the Toll pathway. In the African malaria mosquito, Anopheles gambiae, AMPs hold a special interest as their upregulation have been shown to limit the growth of malaria parasites, bacteria, and fungi. Most of the current knowledge on the regulation of insect AMPs in microbial infection have been obtained from Drosophila. However, largely due to the lack of convenient assays, the regulation of antimicrobial activity in mosquito hemolymph is still not completely understood. In this study, we report a zone of inhibition assay to identify the contribution of AMPs and components of the Toll pathway to the antimicrobial activity of A. gambiae hemolymph. As a proof of principle, we demonstrate that Micrococcus luteus challenge induces antimicrobial activity in the adult female mosquito hemolymph, which is largely dependent on defensin 1. Moreover, by using RNAi to silence Cactus, REL1, and MyD88, we showed that Cactus kd induces antimicrobial activity in the mosquito hemolymph, whereas the antimicrobial activity in REL1 kd and MyD88 kd is reduced after challenge. Finally, while injection itself is not sufficient to induce antimicrobial activity, our results show that it primes the response to bacterial challenge. Our study provides information that increases our knowledge of the regulation of antimicrobial activity in response to microbial infections in mosquitoes. Furthermore, this assay represents an ex vivo medium throughput assay that can be used to determine the upstream regulatory elements of antimicrobial activity in A. gambiae hemolymph.
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Affiliation(s)
- Bianca Morejon
- Division of Biology, Kansas State University, Manhattan, KS, United States
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de la Sancha NU, González‐Maya JF, Boyle SA, Pérez‐Estigarribia PE, Urbina‐Cardona JN, McIntyre NE. Bioindicators of edge effects within Atlantic Forest remnants: Conservation implications in a threatened biodiversity hotspot. DIVERS DISTRIB 2023. [DOI: 10.1111/ddi.13663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Affiliation(s)
- Noé U. de la Sancha
- Department of Environmental Science and Studies DePaul University Chicago Illinois USA
- Negaunee Integrative Research Center The Field Museum of Natural History Chicago Illinois USA
| | - José F. González‐Maya
- División de Ciencias Biológicas y de la Salud, Departamento de Ciencias Ambientales Universidad Autónoma Metropolitana Unidad Lerma Lerma de Villada Mexico México
- Proyecto de Conservación de Aguas y Tierras ‐ ProCAT Colombia Bogotá Colombia
| | - Sarah A. Boyle
- Department of Biology and Program in Environmental Studies and Sciences, Rhodes College Memphis Tennessee USA
| | - Pastor E. Pérez‐Estigarribia
- Polytechnic School, Universidad Nacional de Asunción San Lorenzo Paraguay
- Facultad de Medicina, Universidad Sudamericana PJC Paraguay
| | - J. Nicolas Urbina‐Cardona
- Facultad de Estudios Ambientales y Rurales, Departamento de Ecología y Territorio Pontificia Universidad Javeriana Bogotá Colombia
| | - Nancy E. McIntyre
- Department of Biological Sciences Texas Tech University Lubbock Texas USA
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Phang WK, Hamid MHBA, Jelip J, Mudin RNB, Chuang TW, Lau YL, Fong MY. Predicting Plasmodium knowlesi transmission risk across Peninsular Malaysia using machine learning-based ecological niche modeling approaches. Front Microbiol 2023; 14:1126418. [PMID: 36876062 PMCID: PMC9977793 DOI: 10.3389/fmicb.2023.1126418] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Accepted: 01/30/2023] [Indexed: 02/18/2023] Open
Abstract
The emergence of potentially life-threatening zoonotic malaria caused by Plasmodium knowlesi nearly two decades ago has continued to challenge Malaysia healthcare. With a total of 376 P. knowlesi infections notified in 2008, the number increased to 2,609 cases in 2020 nationwide. Numerous studies have been conducted in Malaysian Borneo to determine the association between environmental factors and knowlesi malaria transmission. However, there is still a lack of understanding of the environmental influence on knowlesi malaria transmission in Peninsular Malaysia. Therefore, our study aimed to investigate the ecological distribution of human P. knowlesi malaria in relation to environmental factors in Peninsular Malaysia. A total of 2,873 records of human P. knowlesi infections in Peninsular Malaysia from 1st January 2011 to 31st December 2019 were collated from the Ministry of Health Malaysia and geolocated. Three machine learning-based models, maximum entropy (MaxEnt), extreme gradient boosting (XGBoost), and ensemble modeling approach, were applied to predict the spatial variation of P. knowlesi disease risk. Multiple environmental parameters including climate factors, landscape characteristics, and anthropogenic factors were included as predictors in both predictive models. Subsequently, an ensemble model was developed based on the output of both MaxEnt and XGBoost. Comparison between models indicated that the XGBoost has higher performance as compared to MaxEnt and ensemble model, with AUCROC values of 0.933 ± 0.002 and 0.854 ± 0.007 for train and test datasets, respectively. Key environmental covariates affecting human P. knowlesi occurrence were distance to the coastline, elevation, tree cover, annual precipitation, tree loss, and distance to the forest. Our models indicated that the disease risk areas were mainly distributed in low elevation (75-345 m above mean sea level) areas along the Titiwangsa mountain range and inland central-northern region of Peninsular Malaysia. The high-resolution risk map of human knowlesi malaria constructed in this study can be further utilized for multi-pronged interventions targeting community at-risk, macaque populations, and mosquito vectors.
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Affiliation(s)
- Wei Kit Phang
- Department of Parasitology, Faculty of Medicine, Universiti Malaya, Kuala Lumpur, Malaysia
| | | | - Jenarun Jelip
- Disease Control Division, Ministry of Health Malaysia, Putrajaya, Malaysia
| | - Rose Nani Binti Mudin
- Sabah State Health Department, Ministry of Health Malaysia, Kota Kinabalu, Sabah, Malaysia
| | - Ting-Wu Chuang
- Department of Molecular Parasitology and Tropical Diseases, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Yee Ling Lau
- Department of Parasitology, Faculty of Medicine, Universiti Malaya, Kuala Lumpur, Malaysia
| | - Mun Yik Fong
- Department of Parasitology, Faculty of Medicine, Universiti Malaya, Kuala Lumpur, Malaysia
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35
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Perrin A, Glaizot O, Christe P. Worldwide impacts of landscape anthropization on mosquito abundance and diversity: A meta-analysis. GLOBAL CHANGE BIOLOGY 2022; 28:6857-6871. [PMID: 36107000 PMCID: PMC9828797 DOI: 10.1111/gcb.16406] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 08/15/2022] [Accepted: 08/16/2022] [Indexed: 05/23/2023]
Abstract
In recent decades, the emergence and resurgence of vector-borne diseases have been well documented worldwide, especially in tropical regions where protection and defense tools for human populations are still very limited. In this context, the dynamics of pathogens are influenced by landscape anthropization (i.e., urbanization, deforestation, and agricultural development), and one of the mechanisms through which this occurs is a change in the abundance and/or diversity of the vectors. An increasing number of empirical studies have described heterogeneous effects of landscape anthropization on vector communities; therefore, it is difficult to have an overall picture of these effects on a global scale. Here, we performed a meta-analysis to quantify the impacts of landscape anthropization on a global scale on the presence/abundance and diversity of mosquitoes, the most important arthropods affecting human health. We obtained 338 effect sizes on 132 mosquito species, compiled from 107 studies in 52 countries that covered almost every part of the world. The results of the meta-analysis showed an overall decline of mosquito presence/abundance and diversity in response to urbanization, deforestation, and agricultural development, except for a few mosquito species that have been able to exploit landscape anthropization well. Our results highlighted that these few favored mosquito species are those of global concern. They, thus, provide a better understanding of the overall effect of landscape anthropization on vector communities and, more importantly, suggest a greater risk of emergence and transmission of vector-borne diseases in human-modified landscapes.
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Affiliation(s)
- Antoine Perrin
- Department of Ecology and EvolutionUniversity of LausanneLausanneSwitzerland
| | - Olivier Glaizot
- Department of Ecology and EvolutionUniversity of LausanneLausanneSwitzerland
- Museum of ZoologyLausanneSwitzerland
| | - Philippe Christe
- Department of Ecology and EvolutionUniversity of LausanneLausanneSwitzerland
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36
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Harvey JA, Tougeron K, Gols R, Heinen R, Abarca M, Abram PK, Basset Y, Berg M, Boggs C, Brodeur J, Cardoso P, de Boer JG, De Snoo GR, Deacon C, Dell JE, Desneux N, Dillon ME, Duffy GA, Dyer LA, Ellers J, Espíndola A, Fordyce J, Forister ML, Fukushima C, Gage MJG, García‐Robledo C, Gely C, Gobbi M, Hallmann C, Hance T, Harte J, Hochkirch A, Hof C, Hoffmann AA, Kingsolver JG, Lamarre GPA, Laurance WF, Lavandero B, Leather SR, Lehmann P, Le Lann C, López‐Uribe MM, Ma C, Ma G, Moiroux J, Monticelli L, Nice C, Ode PJ, Pincebourde S, Ripple WJ, Rowe M, Samways MJ, Sentis A, Shah AA, Stork N, Terblanche JS, Thakur MP, Thomas MB, Tylianakis JM, Van Baaren J, Van de Pol M, Van der Putten WH, Van Dyck H, Verberk WCEP, Wagner DL, Weisser WW, Wetzel WC, Woods HA, Wyckhuys KAG, Chown SL. Scientists' warning on climate change and insects. ECOL MONOGR 2022. [DOI: 10.1002/ecm.1553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Jeffrey A. Harvey
- Department of Terrestrial Ecology Netherlands Institute of Ecology (NIOO‐KNAW) Wageningen The Netherlands
- Department of Ecological Sciences Vrije Universiteit Amsterdam Amsterdam The Netherlands
| | - Kévin Tougeron
- Earth and Life Institute, Ecology & Biodiversity Université catholique de Louvain Louvain‐la‐Neuve Belgium
- EDYSAN, UMR 7058, Université de Picardie Jules Verne, CNRS Amiens France
| | - Rieta Gols
- Laboratory of Entomology Wageningen University Wageningen The Netherlands
| | - Robin Heinen
- Department of Life Science Systems, School of Life Sciences Technical University of Munich, Terrestrial Ecology Research Group Freising Germany
| | - Mariana Abarca
- Department of Biological Sciences Smith College Northampton Massachusetts USA
| | - Paul K. Abram
- Agriculture and Agri‐Food Canada, Agassiz Research and Development Centre Agassiz British Columbia Canada
| | - Yves Basset
- Smithsonian Tropical Research Institute Panama City Republic of Panama
- Department of Ecology Institute of Entomology, Czech Academy of Sciences Ceske Budejovice Czech Republic
| | - Matty Berg
- Department of Ecological Sciences Vrije Universiteit Amsterdam Amsterdam The Netherlands
- Groningen Institute of Evolutionary Life Sciences University of Groningen Groningen The Netherlands
| | - Carol Boggs
- School of the Earth, Ocean and Environment and Department of Biological Sciences University of South Carolina Columbia South Carolina USA
- Rocky Mountain Biological Laboratory Gothic Colorado USA
| | - Jacques Brodeur
- Institut de recherche en biologie végétale, Département de sciences biologiques Université de Montréal Montréal Québec Canada
| | - Pedro Cardoso
- Laboratory for Integrative Biodiversity Research (LIBRe), Finnish Museum of Natural History Luomus University of Helsinki Helsinki Finland
| | - Jetske G. de Boer
- Department of Terrestrial Ecology Netherlands Institute of Ecology (NIOO‐KNAW) Wageningen The Netherlands
| | - Geert R. De Snoo
- Department of Terrestrial Ecology Netherlands Institute of Ecology (NIOO‐KNAW) Wageningen The Netherlands
| | - Charl Deacon
- Department of Conservation Ecology and Entomology, Faculty of AgriSciences Stellenbosch University Stellenbosch South Africa
| | - Jane E. Dell
- Geosciences and Natural Resources Department Western Carolina University Cullowhee North Carolina USA
| | | | - Michael E. Dillon
- Department of Zoology and Physiology and Program in Ecology University of Wyoming Laramie Wyoming USA
| | - Grant A. Duffy
- School of Biological Sciences Monash University Melbourne Victoria Australia
- Department of Marine Science University of Otago Dunedin New Zealand
| | - Lee A. Dyer
- University of Nevada Reno – Ecology, Evolution and Conservation Biology Reno Nevada USA
| | - Jacintha Ellers
- Department of Ecological Sciences Vrije Universiteit Amsterdam Amsterdam The Netherlands
| | - Anahí Espíndola
- Department of Entomology University of Maryland College Park Maryland USA
| | - James Fordyce
- Department of Ecology and Evolutionary Biology University of Tennessee, Knoxville Knoxville Tennessee USA
| | - Matthew L. Forister
- University of Nevada Reno – Ecology, Evolution and Conservation Biology Reno Nevada USA
| | - Caroline Fukushima
- Laboratory for Integrative Biodiversity Research (LIBRe), Finnish Museum of Natural History Luomus University of Helsinki Helsinki Finland
| | | | | | - Claire Gely
- Centre for Tropical Environmental and Sustainability Science, College of Science and Engineering James Cook University Cairns Queensland Australia
| | - Mauro Gobbi
- MUSE‐Science Museum, Research and Museum Collections Office Climate and Ecology Unit Trento Italy
| | - Caspar Hallmann
- Radboud Institute for Biological and Environmental Sciences Radboud University Nijmegen The Netherlands
| | - Thierry Hance
- Earth and Life Institute, Ecology & Biodiversity Université catholique de Louvain Louvain‐la‐Neuve Belgium
| | - John Harte
- Energy and Resources Group University of California Berkeley California USA
| | - Axel Hochkirch
- Department of Biogeography Trier University Trier Germany
- IUCN SSC Invertebrate Conservation Committee
| | - Christian Hof
- Department of Life Science Systems, School of Life Sciences Technical University of Munich, Terrestrial Ecology Research Group Freising Germany
| | - Ary A. Hoffmann
- Bio21 Institute, School of BioSciences University of Melbourne Melbourne Victoria Australia
| | - Joel G. Kingsolver
- Department of Biology University of North Carolina Chapel Hill North Carolina USA
| | - Greg P. A. Lamarre
- Smithsonian Tropical Research Institute Panama City Republic of Panama
- Department of Ecology Institute of Entomology, Czech Academy of Sciences Ceske Budejovice Czech Republic
| | - William F. Laurance
- Centre for Tropical Environmental and Sustainability Science, College of Science and Engineering James Cook University Cairns Queensland Australia
| | - Blas Lavandero
- Laboratorio de Control Biológico Universidad de Talca Talca Chile
| | - Simon R. Leather
- Center for Integrated Pest Management Harper Adams University Newport UK
| | - Philipp Lehmann
- Department of Zoology Stockholm University Stockholm Sweden
- Zoological Institute and Museum University of Greifswald Greifswald Germany
| | - Cécile Le Lann
- University of Rennes, CNRS, ECOBIO [(Ecosystèmes, biodiversité, évolution)] ‐ UMR 6553 Rennes France
| | | | - Chun‐Sen Ma
- Climate Change Biology Research Group, State Key Laboratory for Biology of Plant Diseases and Insect Pests Institute of Plant Protection, Chinese Academy of Agricultural Sciences Beijing China
| | - Gang Ma
- Climate Change Biology Research Group, State Key Laboratory for Biology of Plant Diseases and Insect Pests Institute of Plant Protection, Chinese Academy of Agricultural Sciences Beijing China
| | | | | | - Chris Nice
- Department of Biology Texas State University San Marcos Texas USA
| | - Paul J. Ode
- Department of Agricultural Biology Colorado State University Fort Collins Colorado USA
- Graduate Degree Program in Ecology Colorado State University Fort Collins Colorado USA
| | - Sylvain Pincebourde
- Institut de Recherche sur la Biologie de l'Insecte, UMR 7261, CNRS Université de Tours Tours France
| | - William J. Ripple
- Department of Forest Ecosystems and Society Oregon State University Oregon USA
| | - Melissah Rowe
- Netherlands Institute of Ecology (NIOO‐KNAW) Department of Animal Ecology Wageningen The Netherlands
| | - Michael J. Samways
- Department of Conservation Ecology and Entomology, Faculty of AgriSciences Stellenbosch University Stellenbosch South Africa
| | - Arnaud Sentis
- INRAE, Aix‐Marseille University, UMR RECOVER Aix‐en‐Provence France
| | - Alisha A. Shah
- W.K. Kellogg Biological Station, Department of Integrative Biology Michigan State University East Lansing Michigan USA
| | - Nigel Stork
- Centre for Planetary Health and Food Security, School of Environment and Science Griffith University Nathan Queensland Australia
| | - John S. Terblanche
- Department of Conservation Ecology and Entomology, Faculty of AgriSciences Stellenbosch University Stellenbosch South Africa
| | - Madhav P. Thakur
- Institute of Ecology and Evolution University of Bern Bern Switzerland
| | - Matthew B. Thomas
- York Environmental Sustainability Institute and Department of Biology University of York York UK
| | - Jason M. Tylianakis
- Bioprotection Aotearoa, School of Biological Sciences University of Canterbury Christchurch New Zealand
| | - Joan Van Baaren
- University of Rennes, CNRS, ECOBIO [(Ecosystèmes, biodiversité, évolution)] ‐ UMR 6553 Rennes France
| | - Martijn Van de Pol
- Netherlands Institute of Ecology (NIOO‐KNAW) Department of Animal Ecology Wageningen The Netherlands
- College of Science and Engineering James Cook University Townsville Queensland Australia
| | - Wim H. Van der Putten
- Department of Terrestrial Ecology Netherlands Institute of Ecology (NIOO‐KNAW) Wageningen The Netherlands
| | - Hans Van Dyck
- Earth and Life Institute, Ecology & Biodiversity Université catholique de Louvain Louvain‐la‐Neuve Belgium
| | | | - David L. Wagner
- Ecology and Evolutionary Biology University of Connecticut Storrs Connecticut USA
| | - Wolfgang W. Weisser
- Department of Life Science Systems, School of Life Sciences Technical University of Munich, Terrestrial Ecology Research Group Freising Germany
| | - William C. Wetzel
- Department of Entomology, Department of Integrative Biology, and Ecology, Evolution, and Behavior Program Michigan State University East Lansing Michigan USA
| | - H. Arthur Woods
- Division of Biological Sciences University of Montana Missoula Montana USA
| | - Kris A. G. Wyckhuys
- Chrysalis Consulting Hanoi Vietnam
- China Academy of Agricultural Sciences Beijing China
| | - Steven L. Chown
- Securing Antarctica's Environmental Future, School of Biological Sciences Monash University Melbourne Victoria Australia
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Costa LNP, Novais S, Oki Y, Fernandes GW, Borges MAZ. Mosquito (Diptera: Culicidae) diversity along a rainy season and edge effects in a riparian forest in Southeastern Brazil. AUSTRAL ECOL 2022. [DOI: 10.1111/aec.13250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Lêda Naiara Pereira Costa
- Laboratório de Ecologia e Controle Biológico de Insetos, Departamento de Biologia Geral Universidade Estadual de Montes Claros Vila Mauriceia Montes Claros, Minas Gerais Brazil
| | - Samuel Novais
- Red de Interacciones Multitróficas Instituto de Ecología A.C. Xalapa, Veracruz Mexico
| | - Yumi Oki
- Laboratório de Ecologia Evolutiva e Biodiversidade Departamento de Genética, Ecologia e Evolução Universidade Federal de Minas Gerais Belo Horizonte, Minas Gerais Brazil
| | - G. Wilson Fernandes
- Laboratório de Ecologia Evolutiva e Biodiversidade Departamento de Genética, Ecologia e Evolução Universidade Federal de Minas Gerais Belo Horizonte, Minas Gerais Brazil
| | - Magno Augusto Zazá Borges
- Laboratório de Ecologia e Controle Biológico de Insetos, Departamento de Biologia Geral Universidade Estadual de Montes Claros Vila Mauriceia Montes Claros, Minas Gerais Brazil
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Ellwanger JH, Fearnside PM, Ziliotto M, Valverde-Villegas JM, Veiga ABGDA, Vieira GF, Bach E, Cardoso JC, Müller NFD, Lopes G, Caesar L, Kulmann-Leal B, Kaminski VL, Silveira ES, Spilki FR, Weber MN, Almeida SEDEM, Hora VPDA, Chies JAB. Synthesizing the connections between environmental disturbances and zoonotic spillover. AN ACAD BRAS CIENC 2022; 94:e20211530. [PMID: 36169531 DOI: 10.1590/0001-3765202220211530] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 03/03/2022] [Indexed: 11/22/2022] Open
Abstract
Zoonotic spillover is a phenomenon characterized by the transfer of pathogens between different animal species. Most human emerging infectious diseases originate from non-human animals, and human-related environmental disturbances are the driving forces of the emergence of new human pathogens. Synthesizing the sequence of basic events involved in the emergence of new human pathogens is important for guiding the understanding, identification, and description of key aspects of human activities that can be changed to prevent new outbreaks, epidemics, and pandemics. This review synthesizes the connections between environmental disturbances and increased risk of spillover events based on the One Health perspective. Anthropogenic disturbances in the environment (e.g., deforestation, habitat fragmentation, biodiversity loss, wildlife exploitation) lead to changes in ecological niches, reduction of the dilution effect, increased contact between humans and other animals, changes in the incidence and load of pathogens in animal populations, and alterations in the abiotic factors of landscapes. These phenomena can increase the risk of spillover events and, potentially, facilitate new infectious disease outbreaks. Using Brazil as a study model, this review brings a discussion concerning anthropogenic activities in the Amazon region and their potential impacts on spillover risk and spread of emerging diseases in this region.
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Affiliation(s)
- Joel Henrique Ellwanger
- Universidade Federal do Rio Grande do Sul/UFRGS, Laboratório de Imunobiologia e Imunogenética, Departmento de Genética, Campus do Vale, Avenida Bento Gonçalves, 9500, Agronomia, 91501-970 Porto Alegre, RS, Brazil.,Programa de Pós-Graduação em Genética e Biologia Molecular/PPGBM, Universidade Federal do Rio Grande do Sul/UFRGS, Departmento de Genética, Campus do Vale, Avenida Bento Gonçalves, 9500, Agronomia, 91501-970 Porto Alegre, RS, Brazil
| | - Philip Martin Fearnside
- Instituto Nacional de Pesquisas da Amazônia/INPA, Avenida André Araújo, 2936, Aleixo, 69067-375 Manaus, AM, Brazil
| | - Marina Ziliotto
- Universidade Federal do Rio Grande do Sul/UFRGS, Laboratório de Imunobiologia e Imunogenética, Departmento de Genética, Campus do Vale, Avenida Bento Gonçalves, 9500, Agronomia, 91501-970 Porto Alegre, RS, Brazil.,Programa de Pós-Graduação em Genética e Biologia Molecular/PPGBM, Universidade Federal do Rio Grande do Sul/UFRGS, Departmento de Genética, Campus do Vale, Avenida Bento Gonçalves, 9500, Agronomia, 91501-970 Porto Alegre, RS, Brazil
| | - Jacqueline María Valverde-Villegas
- Institut de Génétique Moléculaire de Montpellier/IGMM, Centre National de la Recherche Scientifique/CNRS, Laboratoire coopératif IGMM/ABIVAX, 1919, route de Mende, 34090 Montpellier, Montpellier, France
| | - Ana Beatriz G DA Veiga
- Universidade Federal de Ciências da Saúde de Porto Alegre/UFCSPA, Departamento de Ciências Básicas de Saúde, Rua Sarmento Leite, 245, Centro Histórico, 90050-170 Porto Alegre, RS, Brazil
| | - Gustavo F Vieira
- Programa de Pós-Graduação em Genética e Biologia Molecular/PPGBM, Universidade Federal do Rio Grande do Sul/UFRGS, Departmento de Genética, Campus do Vale, Avenida Bento Gonçalves, 9500, Agronomia, 91501-970 Porto Alegre, RS, Brazil.,Universidade Federal do Rio Grande do Sul/UFRGS, Laboratório de Imunoinformática, Núcleo de Bioinformática do Laboratório de Imunogenética/NBLI, Departmento de Genética, Campus do Vale, Avenida Bento Gonçalves, 9500, Agronomia, 91501-970 Porto Alegre, RS, Brazil.,Programa de Pós-Graduação em Saúde e Desenvolvimento Humano, Universidade La Salle, Laboratório de Saúde Humana in silico, Avenida Victor Barreto, 2288, Centro, 92010-000 Canoas, RS, Brazil
| | - Evelise Bach
- Universidade Federal do Rio Grande do Sul/UFRGS, Laboratório de Imunobiologia e Imunogenética, Departmento de Genética, Campus do Vale, Avenida Bento Gonçalves, 9500, Agronomia, 91501-970 Porto Alegre, RS, Brazil.,Programa de Pós-Graduação em Genética e Biologia Molecular/PPGBM, Universidade Federal do Rio Grande do Sul/UFRGS, Departmento de Genética, Campus do Vale, Avenida Bento Gonçalves, 9500, Agronomia, 91501-970 Porto Alegre, RS, Brazil
| | - Jáder C Cardoso
- Centro Estadual de Vigilância em Saúde/CEVS, Divisão de Vigilância Ambiental em Saúde, Secretaria da Saúde do Estado do Rio Grande do Sul, Avenida Ipiranga, 5400, Jardim Botânico, 90610-000 Porto Alegre, RS, Brazil
| | - Nícolas Felipe D Müller
- Centro Estadual de Vigilância em Saúde/CEVS, Divisão de Vigilância Ambiental em Saúde, Secretaria da Saúde do Estado do Rio Grande do Sul, Avenida Ipiranga, 5400, Jardim Botânico, 90610-000 Porto Alegre, RS, Brazil
| | - Gabriel Lopes
- Fundação Oswaldo Cruz/FIOCRUZ, Casa de Oswaldo Cruz, Avenida Brasil, 4365, Manguinhos, 21040-900 Rio de Janeiro, RJ, Brazil
| | - Lílian Caesar
- Programa de Pós-Graduação em Genética e Biologia Molecular/PPGBM, Universidade Federal do Rio Grande do Sul/UFRGS, Departmento de Genética, Campus do Vale, Avenida Bento Gonçalves, 9500, Agronomia, 91501-970 Porto Alegre, RS, Brazil.,Indiana University/IU, Department of Biology, 915 East 3rd Street, Bloomington, IN 47405, USA
| | - Bruna Kulmann-Leal
- Universidade Federal do Rio Grande do Sul/UFRGS, Laboratório de Imunobiologia e Imunogenética, Departmento de Genética, Campus do Vale, Avenida Bento Gonçalves, 9500, Agronomia, 91501-970 Porto Alegre, RS, Brazil.,Programa de Pós-Graduação em Genética e Biologia Molecular/PPGBM, Universidade Federal do Rio Grande do Sul/UFRGS, Departmento de Genética, Campus do Vale, Avenida Bento Gonçalves, 9500, Agronomia, 91501-970 Porto Alegre, RS, Brazil
| | - Valéria L Kaminski
- Programa de Pós-Graduação em Biotecnologia, Universidade Federal de São Paulo/UNIFESP, Instituto de Ciência e Tecnologia/ICT, Laboratório de Imunologia Aplicada, Rua Talim, 330, Vila Nair, 12231-280 São José dos Campos, SP, Brazil
| | - Etiele S Silveira
- Programa de Pós-Graduação em Genética e Biologia Molecular/PPGBM, Universidade Federal do Rio Grande do Sul/UFRGS, Departmento de Genética, Campus do Vale, Avenida Bento Gonçalves, 9500, Agronomia, 91501-970 Porto Alegre, RS, Brazil.,Universidade Federal do Rio Grande do Sul/UFRGS, Laboratório de Imunoinformática, Núcleo de Bioinformática do Laboratório de Imunogenética/NBLI, Departmento de Genética, Campus do Vale, Avenida Bento Gonçalves, 9500, Agronomia, 91501-970 Porto Alegre, RS, Brazil
| | - Fernando R Spilki
- Universidade Feevale, Laboratório de Saúde Única, Instituto de Ciências da Saúde/ICS, Rodovia ERS-239, 2755, Vila Nova, 93525-075 Novo Hamburgo, RS, Brazil
| | - Matheus N Weber
- Universidade Feevale, Laboratório de Saúde Única, Instituto de Ciências da Saúde/ICS, Rodovia ERS-239, 2755, Vila Nova, 93525-075 Novo Hamburgo, RS, Brazil
| | - Sabrina E DE Matos Almeida
- Universidade Feevale, Laboratório de Saúde Única, Instituto de Ciências da Saúde/ICS, Rodovia ERS-239, 2755, Vila Nova, 93525-075 Novo Hamburgo, RS, Brazil
| | - Vanusa P DA Hora
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal do Rio Grande/FURG, Faculdade de Medicina, Rua Visconde de Paranaguá, 102, Centro, 96203-900, Rio Grande, RS, Brazil
| | - José Artur B Chies
- Universidade Federal do Rio Grande do Sul/UFRGS, Laboratório de Imunobiologia e Imunogenética, Departmento de Genética, Campus do Vale, Avenida Bento Gonçalves, 9500, Agronomia, 91501-970 Porto Alegre, RS, Brazil.,Programa de Pós-Graduação em Genética e Biologia Molecular/PPGBM, Universidade Federal do Rio Grande do Sul/UFRGS, Departmento de Genética, Campus do Vale, Avenida Bento Gonçalves, 9500, Agronomia, 91501-970 Porto Alegre, RS, Brazil
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Visa Shalini P, Shriram AN, Elango A, Natarajan R, Vijayakumar B, Raju KHK, Dengel L, Gunasekaran K, Kumar A. Mosquito Diversity in an Experimental Township in Tamil Nadu, India. JOURNAL OF MEDICAL ENTOMOLOGY 2022; 59:1615-1624. [PMID: 35703108 PMCID: PMC9473653 DOI: 10.1093/jme/tjac064] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Indexed: 06/15/2023]
Abstract
To glean more information on mosquito diversity and distribution in Auroville, a cross-sectional study was carried out by mapping the distribution of water bodies and habitats supporting immature stages on the one hand and the distribution of water bodies/habitats supporting mosquito immature stages on the other. A satellite image covering an area of 8.08 km2 was overlaid with a grid of 500 × 500 m. Fifteen modules were selected and the area of each module served as the sampling site for the entomological survey. Adult and larval stages were sampled. Diversity indices were analyzed to compare mosquito diversity. Rarefaction estimations were used to compare abundance and richness of the mosquito species between different zones. In total, 750 mosquito larvae and 84 resting adults were sampled. Eighteen species of mosquitoes belonging to 11 subgenera and 7 genera were documented. Genera included Aedes (Johann Wilhelm Meigen 1818, Diptera, Culicidae), Anopheles (Johann Wilhelm Meigen 1818, Diptera, Culicidae), Armigeres (Theobald 1901, Diptera, Culicidae), Culex (Carl Linnaeus 1758, Diptera, Culicidae), Lutzia (Theobald 1903, Diptera, Culicidae), and Mimomyia (Theobald 1903, Diptera, Culicidae). Of the 18 mosquito species identified, 8 species are new records for Auroville. The Alpha (α) biodiversity indices show that the mosquito fauna is diverse (S = 18; DMg = 2.732 [95% CI: 2.732-2.732]). The Shannon-Weiner (H' = 2.199 [95% CI: 2.133-2.276]) and Simpson indices (λ = 0.8619 [95% CI: 0.8496-0.8723]) measured species richness, evenness, and dominance. The values of these indices suggest high species richness, evenness, and dominance. Prevailing conditions can provide suitable environment for establishment of different mosquito species in this ecosystem. Given the sociodemographic characteristics of this area, research on mosquito diversity and risk of vector-borne diseases will be of great use.
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Affiliation(s)
- P Visa Shalini
- ICMR-Vector Control Research Centre, Department of Health Research, Ministry of Health & Family Welfare, GOI, Medical Complex, Indira Nagar, Puducherry 605 006, India
| | | | - A Elango
- ICMR-Vector Control Research Centre, Department of Health Research, Ministry of Health & Family Welfare, GOI, Medical Complex, Indira Nagar, Puducherry 605 006, India
| | - R Natarajan
- ICMR-Vector Control Research Centre, Department of Health Research, Ministry of Health & Family Welfare, GOI, Medical Complex, Indira Nagar, Puducherry 605 006, India
| | - B Vijayakumar
- ICMR-Vector Control Research Centre, Department of Health Research, Ministry of Health & Family Welfare, GOI, Medical Complex, Indira Nagar, Puducherry 605 006, India
| | - K H K Raju
- ICMR-Vector Control Research Centre, Department of Health Research, Ministry of Health & Family Welfare, GOI, Medical Complex, Indira Nagar, Puducherry 605 006, India
| | - Lucas Dengel
- EcoPro, Aurosarjan Complex, Auroshilpam, Auroville, Tamil Nadu 605 101, India
| | - K Gunasekaran
- ICMR-Vector Control Research Centre, Department of Health Research, Ministry of Health & Family Welfare, GOI, Medical Complex, Indira Nagar, Puducherry 605 006, India
| | - Ashwani Kumar
- ICMR-Vector Control Research Centre, Department of Health Research, Ministry of Health & Family Welfare, GOI, Medical Complex, Indira Nagar, Puducherry 605 006, India
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Fletcher IK, Grillet ME, Moreno JE, Drakeley C, Hernández-Villena J, Jones KE, Lowe R. Synergies between environmental degradation and climate variation on malaria re-emergence in southern Venezuela: a spatiotemporal modelling study. Lancet Planet Health 2022; 6:e739-e748. [PMID: 36087604 PMCID: PMC10265648 DOI: 10.1016/s2542-5196(22)00192-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 07/26/2022] [Accepted: 07/28/2022] [Indexed: 05/20/2023]
Abstract
BACKGROUND Environmental degradation facilitates the emergence of vector-borne diseases, such as malaria, through changes in the ecological landscape that increase human-vector contacts and that expand vector habitats. However, the modifying effects of environmental degradation on climate-disease relationships have not been well explored. Here, we investigate the rapid re-emergence of malaria in a transmission hotspot in southern Venezuela and explore the synergistic effects of environmental degradation, specifically gold-mining activity, and climate variation. METHODS In this spatiotemporal modelling study of the 46 parishes of the state of Bolívar, southeast Venezuela, we used data from the Venezuelan Ministry of Health including population data and monthly cases of Plasmodium falciparum malaria and Plasmodium vivax malaria between 1996 and 2016. We estimated mean precipitation and temperature using the ERA5-Land dataset and used monthly anomalies in sea-surface temperature as an indicator of El Niño events between 1996 and 2016. The location of suspected mining sites in Bolívar in 2009, 2017, and 2018 were sourced from the Amazon Geo-Referenced Socio-Environmental Information Network. We estimated measures of cumulative forest loss and urban development by km2 using annual land cover maps from the European Space Agency Climate Change Initiative between 1996 and 2016. We modelled monthly cases of P falciparum and P vivax malaria using a Bayesian hierarchical mixed model framework. We quantified the variation explained by mining activity before exploring the modifying effects of environmental degradation on climate-malaria relationships. FINDINGS We observed a 27% reduction in the additional unexplained spatial variation in incidence of P falciparum malaria and a 23% reduction in P vivax malaria when mining was included in our models. The effect of temperature on malaria was greater in high mining areas than low mining areas, and the P falciparum malaria effect size at temperatures of 26·5°C (2·4 cases per 1000 people [95% CI 1·78-3·06]) was twice as high as the effect in low mining areas (1 case per 1000 people [0·68-1·49]). INTERPRETATION We show that mining activity in southern Venezuela is associated with hotspots of malaria transmission. Increased temperatures exacerbated malaria transmission in mining areas, highlighting the need to consider how environmental degradation modulates climate effect on disease risk, which is especially important in areas subjected to rapidly rising temperatures and land-use change globally. Our findings have implications for the progress towards malaria elimination in the Latin American region. Our findings are also important for effectively targeting timely treatment programmes and vector-control activities in mining areas with high rates of malaria transmission. FUNDING Biotechnology and Biological Sciences Research Council, Royal Society, US National Institutes of Health, and Global Challenges Research Fund. TRANSLATION For the Spanish translation of the abstract see Supplementary Materials section.
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Affiliation(s)
- Isabel K Fletcher
- Centre for Mathematical Modelling of Infectious Diseases, London School of Hygiene & Tropical Medicine, London, UK; Centre on Climate Change and Planetary Health, London School of Hygiene & Tropical Medicine, London, UK.
| | - Maria Eugenia Grillet
- Instituto de Zoología y Ecología Tropical, Facultad de Ciencias, Universidad Central de Venezuela, Caracas, Venezuela
| | - Jorge E Moreno
- Centro de Investigaciones Francesco Vitanza, Servicio Autónomo Instituto de Altos Estudios Dr Arnoldo Gabaldon, Ministerio del Poder Popular para la Salud, Bolívar, Venezuela
| | - Chris Drakeley
- Department of Infection Biology, London School of Hygiene & Tropical Medicine, London, UK
| | - Juan Hernández-Villena
- Instituto de Zoología y Ecología Tropical, Facultad de Ciencias, Universidad Central de Venezuela, Caracas, Venezuela
| | - Kate E Jones
- Centre for Biodiversity and Environment Research, University College London, London, UK
| | - Rachel Lowe
- Centre for Mathematical Modelling of Infectious Diseases, London School of Hygiene & Tropical Medicine, London, UK; Centre on Climate Change and Planetary Health, London School of Hygiene & Tropical Medicine, London, UK; Barcelona Supercomputing Center, Barcelona, Spain; Catalan Institution for Research and Advanced Studies, Barcelona, Spain
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Detection and molecular characterization of Avipoxvirus in Culex spp. (Culicidae) captured in domestic areas in Rio de Janeiro, Brazil. Sci Rep 2022; 12:13496. [PMID: 35931728 PMCID: PMC9355968 DOI: 10.1038/s41598-022-17745-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 07/29/2022] [Indexed: 11/15/2022] Open
Abstract
Avian pox is a highly contagious poultry disease that causes significant economic losses. Mosquitoes belonging to the genus Culex (Diptera: Culicidae) have a fundamental role in disseminating Avipoxvirus (Poxviridae). This study proposes investigating the presence of Avipoxvirus (APV) DNA in Culex spp. from Rio de Janeiro to determine its frequency and perform a phylogenetic analysis based on the core like the 4b protein (p4b) gene. The detection of APVs was conducted individually on four hundred Culex spp. mosquitoes. A total of 12.23% (47/384) of the Culex spp. were positive in the PCR. Sequencing the p4b gene revealed that this study’s sequences displayed 98.8–99% identity with Fowlpoxvirus (FWPW) sequences available in GenBank. In the phylogenetic analysis, these APVs were clustered in the A1 subclade together with FWPW sequences from several countries. The evolutionary distance of the p4b gene was 0.61 ± 0.21% in rural areas and 0.38 ± 0.16% in peri-urban areas. The current investigation is the first study to report the detection of APVs in field-caught mosquitoes. Moreover, a high frequency of APV DNA was observed in Culex spp. captured in domestic areas, where backyard poultry is present. This data demonstrates the importance of implementing control measures for Culex spp. to mitigate the transmission of APVs in backyard poultry in Rio de Janeiro.
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Duguma T, Tekalign E, Muleta D, Simieneh A. Malaria prevalence and risk factors among patients visiting Mizan Tepi University Teaching Hospital, Southwest Ethiopia. PLoS One 2022; 17:e0271771. [PMID: 35900982 PMCID: PMC9333314 DOI: 10.1371/journal.pone.0271771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 07/06/2022] [Indexed: 11/19/2022] Open
Abstract
Background
Ethiopia is among sub-Saharan African countries with a high number of malaria cases each year, with most of the landmass favoring the breeding of the vectors. There have been extensive efforts to control and prevent the transmission of malaria, which is part of the country’s prevention-based health policy.
Objective
This study aimed to determine malaria prevalence and associated risk factors among patients visiting Mizan-Tepi University Teaching Hospital (MTUTH).
Materials and methods
A cross-sectional study was conducted from September to December 2021 among patients visiting MTUTH, Southwest Ethiopia. A pretested structured questionnaire was used to collect sociodemographic data, and a capillary blood sample was collected after obtaining written informed consent from the study participants. The data were entered into Epi-data manager (v4.0.2.101) and analyzed with SPSS version 25.0, with a P-value of < 0.05 set as a significance.
Results
A total of 439 patients participated, of which 20.7% (91) were positive for malaria parasites, with a higher prevalence observed among the age group interval of 25–34 years (5.5%). Inadequate access to insecticide-treated bed net (ITN) 23.9% (105) and a low level of ITN usage 20.5% (90) were recorded. Patients living in areas of stagnant water were more likely to get infected with the malaria parasite (AOR = 16.191, 95% CI: 9.137, 28.692) compared to those who live away from stagnant water, and individuals living in houses not sprayed with insecticides were more susceptible to malaria infection (AOR = 0.215, 95% CI: 0.128, 0.360).
Conclusion
The overall malaria prevalence in this study was 20.7% (91), which proves that malaria remains a major threat to the communities in the study area, with Plasmodium falciparum contributing to most of the cases. Improving the habits of ITN usage and indoor residual spray through health education may help to reduce the impact of malaria in the study area.
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Affiliation(s)
- Tadesse Duguma
- Department of Medical Laboratory Science, College of Health Science and Medicine, Mizan-Tepi University, Mizan-Aman, Ethiopia
- * E-mail:
| | - Eyob Tekalign
- Department of Medical Laboratory Science, College of Health Science and Medicine, Mizan-Tepi University, Mizan-Aman, Ethiopia
| | - Dassalegn Muleta
- Department of Medical Laboratory Science, College of Health Science and Medicine, Mizan-Tepi University, Mizan-Aman, Ethiopia
| | - Asnake Simieneh
- Department of Medical Laboratory Science, College of Health Science and Medicine, Mizan-Tepi University, Mizan-Aman, Ethiopia
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Vinson JE, Gottdenker NL, Chaves LF, Kaul RB, Kramer AM, Drake JM, Hall RJ. Land reversion and zoonotic spillover risk. ROYAL SOCIETY OPEN SCIENCE 2022; 9:220582. [PMID: 35706674 PMCID: PMC9174719 DOI: 10.1098/rsos.220582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 05/11/2022] [Indexed: 05/03/2023]
Abstract
Deforestation alters wildlife communities and modifies human-wildlife interactions, often increasing zoonotic spillover potential. When deforested land reverts to forest, species composition differences between primary and regenerating (secondary) forest could alter spillover risk trajectory. We develop a mathematical model of land-use change, where habitats differ in their relative spillover risk, to understand how land reversion influences spillover risk. We apply this framework to scenarios where spillover risk is higher in deforested land than mature forest, reflecting higher relative abundance of highly competent species and/or increased human-wildlife encounters, and where regenerating forest has either very low or high spillover risk. We find the forest regeneration rate, the spillover risk of regenerating forest relative to deforested land, and how rapidly regenerating forest regains attributes of mature forest determine landscape-level spillover risk. When regenerating forest has a much lower spillover risk than deforested land, reversion lowers cumulative spillover risk, but instaneous spillover risk peaks earlier. However, when spillover risk is high in regenerating and cleared habitats, landscape-level spillover risk remains high, especially when cleared land is rapidly abandoned then slowly regenerates to mature forest. These results suggest that proactive wildlife management and awareness of human exposure risk in regenerating forests could be important tools for spillover mitigation.
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Affiliation(s)
- John E. Vinson
- Odum School of Ecology, University of Georgia, Athens, GA 30602, USA
- Center for the Ecology of Infectious Diseases, University of Georgia, Athens, GA 30602, USA
| | - Nicole L. Gottdenker
- Center for the Ecology of Infectious Diseases, University of Georgia, Athens, GA 30602, USA
- Department of Veterinary Pathology, College of Veterinary Medicine, University of Georgia, Athens, GA 30602, USA
| | - Luis Fernando Chaves
- Instituto Conmemorativo Gorgas de Estudios de la Salud, Apartado Postal 0816-15 02593, Panamá, República de Panamá
| | - RajReni B. Kaul
- Odum School of Ecology, University of Georgia, Athens, GA 30602, USA
- Center for the Ecology of Infectious Diseases, University of Georgia, Athens, GA 30602, USA
| | - Andrew M. Kramer
- Center for the Ecology of Infectious Diseases, University of Georgia, Athens, GA 30602, USA
- Department of Integrative Biology, University of South Florida, Tampa, FL 33620, USA
| | - John M. Drake
- Odum School of Ecology, University of Georgia, Athens, GA 30602, USA
- Center for the Ecology of Infectious Diseases, University of Georgia, Athens, GA 30602, USA
| | - Richard J. Hall
- Odum School of Ecology, University of Georgia, Athens, GA 30602, USA
- Center for the Ecology of Infectious Diseases, University of Georgia, Athens, GA 30602, USA
- Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA 30602, USA
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Dias HG, dos Santos FB, Pauvolid-Corrêa A. An Overview of Neglected Orthobunyaviruses in Brazil. Viruses 2022; 14:v14050987. [PMID: 35632729 PMCID: PMC9146330 DOI: 10.3390/v14050987] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 04/11/2022] [Accepted: 04/12/2022] [Indexed: 02/04/2023] Open
Abstract
Dozens of orthobunyaviruses have been isolated in Brazil, and at least thirteen have been associated with human disease. The Oropouche virus has received most attention for having caused explosive epidemics with hundreds of thousands of cases in the north region between the 1960sand the 1980s, and since then has been sporadically detected elsewhere in the country. Despite their importance, little is known about their enzootic cycles of transmission, amplifying hosts and vectors, and biotic and abiotic factors involved in spillover events to humans. This overview aims to combine available data of neglected orthobunyaviruses of several serogroups, namely, Anopheles A, Anopheles B, Bunyamwera, California, Capim, Gamboa, Group C, Guama, Simbu and Turlock, in order to evaluate the current knowledge and identify research gaps in their natural transmission cycles in Brazil to ultimately point to the future direction in which orthobunyavirus research should be guided.
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Affiliation(s)
- Helver Gonçalves Dias
- Laboratório de Imunologia Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro 21040-900, Brazil;
- Correspondence:
| | - Flávia Barreto dos Santos
- Laboratório de Imunologia Viral, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro 21040-900, Brazil;
| | - Alex Pauvolid-Corrêa
- Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX 77843-4458, USA;
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Wegner GI, Murray KA, Springmann M, Muller A, Sokolow SH, Saylors K, Morens DM. Averting wildlife-borne infectious disease epidemics requires a focus on socio-ecological drivers and a redesign of the global food system. EClinicalMedicine 2022; 47:101386. [PMID: 35465645 PMCID: PMC9014132 DOI: 10.1016/j.eclinm.2022.101386] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 03/14/2022] [Accepted: 03/25/2022] [Indexed: 12/20/2022] Open
Abstract
A debate has emerged over the potential socio-ecological drivers of wildlife-origin zoonotic disease outbreaks and emerging infectious disease (EID) events. This Review explores the extent to which the incidence of wildlife-origin infectious disease outbreaks, which are likely to include devastating pandemics like HIV/AIDS and COVID-19, may be linked to excessive and increasing rates of tropical deforestation for agricultural food production and wild meat hunting and trade, which are further related to contemporary ecological crises such as global warming and mass species extinction. Here we explore a set of precautionary responses to wildlife-origin zoonosis threat, including: (a) limiting human encroachment into tropical wildlands by promoting a global transition to diets low in livestock source foods; (b) containing tropical wild meat hunting and trade by curbing urban wild meat demand, while securing access for indigenous people and local communities in remote subsistence areas; and (c) improving biosecurity and other strategies to break zoonosis transmission pathways at the wildlife-human interface and along animal source food supply chains.
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Affiliation(s)
- Giulia I. Wegner
- Wildlife Conservation Research Unit (WildCRU), Department of Zoology, University of Oxford, Tubney House, Abingdon Road, Tubney, Abingdon OX13 5QL, UK
| | - Kris A. Murray
- MRC Unit the Gambia at London School of Hygiene and Tropical Medicine, Fajara, Gambia
- MRC Centre for Global Infectious Disease Analysis, Department of Infectious Disease Epidemiology, School of Public Health, Imperial College London, UK
| | - Marco Springmann
- Oxford Martin Programme on the Future of Food and Nuffield Department of Population Health, University of Oxford, 34 Broad Street, Oxford OX1 3BD, UK
| | - Adrian Muller
- Department of Environmental Systems Science, ETH, Sonneggstrasse 33, Zürich 8092, Switzerland
- Research Institute of Organic Agriculture FiBL, Ackerstrasse 113, Frick 5070, Switzerland
| | - Susanne H. Sokolow
- Stanford Woods Institute for the Environment, Jerry Yang & Akiko Yamazaki Environment & Energy Building, MC 4205, 473 Via Ortega, Stanford, CA 94305, USA
- Marine Science Institute, University of California, Santa Barbara, CA 93106-6150, USA
| | - Karen Saylors
- Labyrinth Global Health, 15th Ave NE, St Petersburg, FL 33704, USA
| | - David M. Morens
- National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
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Hartke J, Reuss F, Kramer IM, Magdeburg A, Deblauwe I, Tuladhar R, Gautam I, Dhimal M, Müller R. A barcoding pipeline for mosquito surveillance in Nepal, a biodiverse dengue-endemic country. Parasit Vectors 2022; 15:145. [PMID: 35462529 PMCID: PMC9035287 DOI: 10.1186/s13071-022-05255-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 03/25/2022] [Indexed: 12/05/2022] Open
Abstract
Background Vector-borne diseases are on the rise on a global scale, which is anticipated to further accelerate because of anthropogenic climate change. Resource-limited regions are especially hard hit by this increment with the currently implemented surveillance programs being inadequate for the observed expansion of potential vector species. Cost-effective methods that can be easily implemented in resource-limited settings, e.g. under field conditions, are thus urgently needed to function as an early warning system for vector-borne disease epidemics. Our aim was to enhance entomological capacity in Nepal, a country with endemicity of numerous vector-borne diseases and with frequent outbreaks of dengue fever. Methods We used a field barcoding pipeline based on DNA nanopore sequencing (Oxford Nanopore Technologies) and verified its use for different mosquito life stages and storage methods. We furthermore hosted an online workshop to facilitate knowledge transfer to Nepalese scientific experts from different disciplines. Results The use of the barcoding pipeline could be verified for adult mosquitos and eggs, as well as for homogenized samples, dried specimens, samples that were stored in ethanol and frozen tissue. The transfer of knowledge was successful, as reflected by feedback from the participants and their wish to implement the method. Conclusions Cost effective strategies are urgently needed to assess the likelihood of disease outbreaks. We were able to show that field sequencing provides a solution that is cost-effective, undemanding in its implementation and easy to learn. The knowledge transfer to Nepalese scientific experts from different disciplines provides an opportunity for sustainable implementation of low-cost portable sequencing solutions in Nepal. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s13071-022-05255-1.
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Affiliation(s)
- Juliane Hartke
- Unit Entomology, Institute of Tropical Medicine, Nationalestraat 155, 2000, Antwerp, Belgium. .,Institute of Organismic and Molecular Evolution, Johannes Gutenberg University Mainz, 55128, Mainz, Germany.
| | - Friederike Reuss
- Senckenberg Biodiversity and Climate Research Centre, Georg-Voigt-Str. 14-16, 60325, Frankfurt am Main, Germany.,Institute of Occupational, Social and Environmental Medicine, Goethe University, Theodor-Stern-Kai 7, 60590, Frankfurt am Main, Germany
| | - Isabelle Marie Kramer
- Institute of Occupational, Social and Environmental Medicine, Goethe University, Theodor-Stern-Kai 7, 60590, Frankfurt am Main, Germany
| | - Axel Magdeburg
- Senckenberg Biodiversity and Climate Research Centre, Georg-Voigt-Str. 14-16, 60325, Frankfurt am Main, Germany.,Institute of Occupational, Social and Environmental Medicine, Goethe University, Theodor-Stern-Kai 7, 60590, Frankfurt am Main, Germany
| | - Isra Deblauwe
- Unit Entomology, Institute of Tropical Medicine, Nationalestraat 155, 2000, Antwerp, Belgium
| | - Reshma Tuladhar
- Central Department of Microbiology, Tribhuvan University, Kathmandu, Nepal
| | - Ishan Gautam
- Natural History Museum, Tribhuvan University, Kathmandu, Nepal
| | - Meghnath Dhimal
- Nepal Health Research Council, Ramshah Path, Kathmandu, 44600, Nepal
| | - Ruth Müller
- Unit Entomology, Institute of Tropical Medicine, Nationalestraat 155, 2000, Antwerp, Belgium.,Institute of Occupational, Social and Environmental Medicine, Goethe University, Theodor-Stern-Kai 7, 60590, Frankfurt am Main, Germany
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Prevalence of Malaria and Associated Risk Factors among the Community of Mizan-Aman Town and Its Catchment Area in Southwest Ethiopia. J Parasitol Res 2022; 2022:3503317. [PMID: 35464173 PMCID: PMC9019455 DOI: 10.1155/2022/3503317] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 03/23/2022] [Accepted: 03/25/2022] [Indexed: 12/02/2022] Open
Abstract
Background Ethiopia is a Sub-Saharan African country with a high annual malaria case count, owing to the majority of the country's geography favoring vector rearing. As part of the country's prevention-based health policy, substantial efforts have been made to control and prevent malaria transmission. The objective of this study was to determine the prevalence of malaria and the associated factors in the community of Mizan-Aman and its catchment. Materials and Methods From September to October 2021, a community-based cross-sectional survey was undertaken among the communities of Mizan-Aman town and its catchment area in Southwest Ethiopia. A pretested structured questionnaire was used to collect sociodemographic data, as well as a capillary blood sample from each study participant. Epi-data manager (v4.0.2.101) was used to enter the data and analyzed by SPSS version 25.0. A statistical significance was set at a P value of <0.05. Result The study comprised a total of 412 people, of which 87 (21.1%) tested positive for malaria parasites, with a greater prevalence reported among those aged 25 to 34 years (5.8%). Individuals who lived near stagnant water were more likely to become infected with the malaria parasite (AOR = 8.996, 95% CI: 5.087-15.908) compared to those who lived further away, in warm climates, and those who did not use insecticide-treated bed nets were more susceptible to malaria parasite infection (AOR = 4.647, 95% CI: 1.257-17.184) compared to those who did use ITN and With (AOR = 0.466, 95% CI: 0.218-0.996 and AOR = 0.352, 95% CI: 0.206-0.604); participants with a history of antimalarial medication appear to have a protective function against malaria infection, respectively. Conclusion The overall malaria prevalence in this study was 87 (21.1%), demonstrating that malaria remains a significant concern to the populations in the study area, with Plasmodium falciparum accounting for the vast majority of cases.
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Shah HA, Carrasco LR, Hamlet A, Murray KA. Exploring agricultural land-use and childhood malaria associations in sub-Saharan Africa. Sci Rep 2022; 12:4124. [PMID: 35260722 PMCID: PMC8904834 DOI: 10.1038/s41598-022-07837-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 02/24/2022] [Indexed: 11/09/2022] Open
Abstract
Agriculture in Africa is rapidly expanding but with this comes potential disbenefits for the environment and human health. Here, we retrospectively assess whether childhood malaria in sub-Saharan Africa varies across differing agricultural land uses after controlling for socio-economic and environmental confounders. Using a multi-model inference hierarchical modelling framework, we found that rainfed cropland was associated with increased malaria in rural (OR 1.10, CI 1.03-1.18) but not urban areas, while irrigated or post flooding cropland was associated with malaria in urban (OR 1.09, CI 1.00-1.18) but not rural areas. In contrast, although malaria was associated with complete forest cover (OR 1.35, CI 1.24-1.47), the presence of natural vegetation in agricultural lands potentially reduces the odds of malaria depending on rural-urban context. In contrast, no associations with malaria were observed for natural vegetation interspersed with cropland (veg-dominant mosaic). Agricultural expansion through rainfed or irrigated cropland may increase childhood malaria in rural or urban contexts in sub-Saharan Africa but retaining some natural vegetation within croplands could help mitigate this risk and provide environmental co-benefits.
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Affiliation(s)
- Hiral Anil Shah
- MRC Centre for Global Infectious Disease Analysis, Department of Infectious Disease Epidemiology, School of Public Health, Imperial College London, London, UK.
- Grantham Institute - Climate Change and the Environment - Imperial College London, London, UK.
| | - Luis Roman Carrasco
- Department of Biological Sciences, National University of Singapore, Singapore, Singapore
| | - Arran Hamlet
- MRC Centre for Global Infectious Disease Analysis, Department of Infectious Disease Epidemiology, School of Public Health, Imperial College London, London, UK
| | - Kris A Murray
- MRC Centre for Global Infectious Disease Analysis, Department of Infectious Disease Epidemiology, School of Public Health, Imperial College London, London, UK
- MRC Unit The Gambia at London, School of Hygiene and Tropical Medicine, Atlantic Boulevard, Fajara, The Gambia
- Centre on Climate Change and Planetary Health, London School of Hygiene & Tropical Medicine, London, UK
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Gianchecchi E, Cianchi V, Torelli A, Montomoli E. Yellow Fever: Origin, Epidemiology, Preventive Strategies and Future Prospects. Vaccines (Basel) 2022; 10:372. [PMID: 35335004 PMCID: PMC8955180 DOI: 10.3390/vaccines10030372] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 02/15/2022] [Accepted: 02/22/2022] [Indexed: 12/10/2022] Open
Abstract
Yellow fever (YF) virus still represents a major threat in low resource countries in both South America and Africa despite the presence of an effective vaccine. YF outbreaks are not only due to insufficient vaccine coverage for insufficient vaccine supply, but also to the increase in people without history of vaccination living in endemic areas. Globalization, continuous population growth, urbanization associated with inadequate public health infrastructure, and climate changes constitute important promoting factors for the spread of this virus to tropical and subtropical areas in mosquito-infested regions capable of spreading the disease. In the present review, we focus on the origin of the virus and its transmission, representing two debated topics throughout the nineteenth century, going deeply into the history of YF vaccines until the development of the vaccine still used nowadays. Besides surveillance, we highlight the urgent need of routine immunization and vaccination campaigns associated to diverse and innovative mosquito control technologies in endemic areas for YF virus in order to minimize the risk of new YF outbreaks and the global burden of YF in the future.
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Affiliation(s)
- Elena Gianchecchi
- VisMederi Srl, Strada del Petriccio e Belriguardo, 35, 53100 Siena, Italy; (V.C.); (E.M.)
| | - Virginia Cianchi
- VisMederi Srl, Strada del Petriccio e Belriguardo, 35, 53100 Siena, Italy; (V.C.); (E.M.)
| | | | - Emanuele Montomoli
- VisMederi Srl, Strada del Petriccio e Belriguardo, 35, 53100 Siena, Italy; (V.C.); (E.M.)
- Department of Molecular and Developmental Medicine, University of Siena, Via Aldo 3, 53100 Siena, Italy
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50
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Olimpi EM, Garcia K, Gonthier DJ, Kremen C, Snyder WE, Wilson‐Rankin EE, Karp DS. Semi‐natural habitat surrounding farms promotes multifunctionality in avian ecosystem services. J Appl Ecol 2022. [DOI: 10.1111/1365-2664.14124] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Elissa M. Olimpi
- Department of Wildlife, Fish, and Conservation Biology University of California Davis CA USA
| | - Karina Garcia
- Department of Entomology University of Kentucky Lexington KY USA
| | | | - Claire Kremen
- Environmental Science, Policy, and Management University of California Berkeley CA USA
- Institute for Resources, Environment and Sustainability, Department of Zoology and Biodiversity Research Center University of British Columbia Vancouver BC Canada
| | | | | | - Daniel S. Karp
- Department of Wildlife, Fish, and Conservation Biology University of California Davis CA USA
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