1
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Logan JJ, Knudby A, Leighton PA, Talbot B, McKay R, Ramsay T, Blanford JI, Ogden NH, Kulkarni MA. Ixodes scapularis density and Borrelia burgdorferi prevalence along a residential-woodland gradient in a region of emerging Lyme disease risk. Sci Rep 2024; 14:13107. [PMID: 38849451 PMCID: PMC11161484 DOI: 10.1038/s41598-024-64085-6] [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: 04/19/2024] [Accepted: 06/05/2024] [Indexed: 06/09/2024] Open
Abstract
The environmental risk of Lyme disease, defined by the density of Ixodes scapularis ticks and their prevalence of Borrelia burgdorferi infection, is increasing across the Ottawa, Ontario region, making this a unique location to explore the factors associated with environmental risk along a residential-woodland gradient. In this study, we collected I. scapularis ticks and trapped Peromyscus spp. mice, tested both for tick-borne pathogens, and monitored the intensity of foraging activity by deer in residential, woodland, and residential-woodland interface zones of four neighbourhoods. We constructed mixed-effect models to test for site-specific characteristics associated with densities of questing nymphal and adult ticks and the infection prevalence of nymphal and adult ticks. Compared to residential zones, we found a strong increasing gradient in tick density from interface to woodland zones, with 4 and 15 times as many nymphal ticks, respectively. Infection prevalence of nymphs and adults together was 15 to 24 times greater in non-residential zone habitats. Ecological site characteristics, including soil moisture, leaf litter depth, and understory density, were associated with variations in nymphal density and their infection prevalence. Our results suggest that high environmental risk bordering residential areas poses a concern for human-tick encounters, highlighting the need for targeted disease prevention.
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Affiliation(s)
- James J Logan
- School of Epidemiology and Public Health, University of Ottawa, Ottawa, ON, Canada.
| | - Anders Knudby
- Department of Geography, Environment and Geomatics, University of Ottawa, Ottawa, ON, Canada
| | - Patrick A Leighton
- Department of Pathology and Microbiology, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, QC, Canada
| | - Benoit Talbot
- School of Epidemiology and Public Health, University of Ottawa, Ottawa, ON, Canada
| | - Roman McKay
- School of Epidemiology and Public Health, University of Ottawa, Ottawa, ON, Canada
| | - Tim Ramsay
- School of Epidemiology and Public Health, University of Ottawa, Ottawa, ON, Canada
- Ottawa Hospital Research Institute, University of Ottawa, Ottawa, ON, Canada
| | - Justine I Blanford
- Department of Earth Observation Science, Faculty of Geo-Information Science and Earth Observation, University of Twente, Enschede, The Netherlands
| | - Nicholas H Ogden
- Public Health Risk Sciences Division, National Microbiology Laboratory, Public Health Agency of Canada, Saint-Hyacinthe, QC, Canada
| | - Manisha A Kulkarni
- School of Epidemiology and Public Health, University of Ottawa, Ottawa, ON, Canada
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2
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Marcolin L, Tonelli A, Di Marco M. Early-stage loss of ecological integrity drives the risk of zoonotic disease emergence. J R Soc Interface 2024; 21:20230733. [PMID: 38863350 DOI: 10.1098/rsif.2023.0733] [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: 12/11/2023] [Accepted: 04/18/2024] [Indexed: 06/13/2024] Open
Abstract
Anthropogenic pressures have increasingly disrupted the integrity of ecosystems worldwide, jeopardizing their capacity to provide essential contributions to human well-being. Recently, the role of natural ecosystems in reducing disease emergence risk has gained prominence in decision-making processes, as scientific evidence indicates that human-driven pressure, such as habitat destruction and deforestation, can trigger the emergence of zoonotic infectious diseases. However, the intricate relationship between biodiversity and emerging infectious diseases (EIDs) remains only partially understood. Here, we updated the most comprehensive zoonotic EID event database with the latest reported events to analyse the relationship between EIDs of wildlife origin (zoonoses) and various facets of ecological integrity. We found EID risk was strongly predicted by structural integrity metrics such as human footprint and ecoregion intactness, in addition to environmental variables such as tropical rainforest density and mammal species richness. EID events were more likely to occur in areas with intermediate levels of compositional and structural integrity, underscoring the risk posed by human encroachment into pristine, undisturbed lands. Our study highlights the need to identify novel indicators and targets that can effectively address EID risk alongside other pressing global challenges in sustainable development, ultimately informing strategies for preserving both human and environmental health.
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Affiliation(s)
- Lara Marcolin
- Department of Biology and Biotechnologies 'Charles Darwin', Sapienza Università di Roma , Rome, Italy
| | - Andrea Tonelli
- Department of Biology and Biotechnologies 'Charles Darwin', Sapienza Università di Roma , Rome, Italy
| | - Moreno Di Marco
- Department of Biology and Biotechnologies 'Charles Darwin', Sapienza Università di Roma , Rome, Italy
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3
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Johnson E, Sunil Kumar Sharma R, Ruiz Cuenca P, Byrne I, Salgado-Lynn M, Suraya Shahar Z, Col Lin L, Zulkifli N, Dilaila Mohd Saidi N, Drakeley C, Matthiopoulos J, Nelli L, Fornace K. Landscape drives zoonotic malaria prevalence in non-human primates. eLife 2024; 12:RP88616. [PMID: 38753426 PMCID: PMC11098556 DOI: 10.7554/elife.88616] [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: 05/18/2024] Open
Abstract
Zoonotic disease dynamics in wildlife hosts are rarely quantified at macroecological scales due to the lack of systematic surveys. Non-human primates (NHPs) host Plasmodium knowlesi, a zoonotic malaria of public health concern and the main barrier to malaria elimination in Southeast Asia. Understanding of regional P. knowlesi infection dynamics in wildlife is limited. Here, we systematically assemble reports of NHP P. knowlesi and investigate geographic determinants of prevalence in reservoir species. Meta-analysis of 6322 NHPs from 148 sites reveals that prevalence is heterogeneous across Southeast Asia, with low overall prevalence and high estimates for Malaysian Borneo. We find that regions exhibiting higher prevalence in NHPs overlap with human infection hotspots. In wildlife and humans, parasite transmission is linked to land conversion and fragmentation. By assembling remote sensing data and fitting statistical models to prevalence at multiple spatial scales, we identify novel relationships between P. knowlesi in NHPs and forest fragmentation. This suggests that higher prevalence may be contingent on habitat complexity, which would begin to explain observed geographic variation in parasite burden. These findings address critical gaps in understanding regional P. knowlesi epidemiology and indicate that prevalence in simian reservoirs may be a key spatial driver of human spillover risk.
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Affiliation(s)
- Emilia Johnson
- School of Biodiversity, One Health and Veterinary Medicine, University of GlasgowGlasgowUnited Kingdom
- Department of Disease Control, London School of Hygiene & Tropical MedicineLondonUnited Kingdom
- Centre on Climate Change and Planetary Health, London School of Hygiene & Tropical MedicineLondonUnited Kingdom
| | | | - Pablo Ruiz Cuenca
- Department of Disease Control, London School of Hygiene & Tropical MedicineLondonUnited Kingdom
- Lancaster University, BailriggLancasterUnited Kingdom
- Liverpool School of Tropical Medicine, Pembroke Place LiverpoolLiverpoolUnited Kingdom
| | - Isabel Byrne
- Department of Disease Control, London School of Hygiene & Tropical MedicineLondonUnited Kingdom
| | - Milena Salgado-Lynn
- School of Biosciences, Cardiff UniversityCardiffUnited Kingdom
- Wildlife Health, Genetic and Forensic Laboratory, Sabah Wildlife Department, Wisma MuisKota KinabaluMalaysia
- Danau Girang Field Centre, Sabah Wildlife DepartmentKinabalu SabahMalaysia
| | | | - Lee Col Lin
- Faculty of Veterinary Medicine, Universiti Putra MalaysiaSelangorMalaysia
| | - Norhadila Zulkifli
- Faculty of Veterinary Medicine, Universiti Putra MalaysiaSelangorMalaysia
| | | | - Chris Drakeley
- Department of Infection Biology, London School of Hygiene & Tropical MedicineLondonUnited Kingdom
| | - Jason Matthiopoulos
- School of Biodiversity, One Health and Veterinary Medicine, University of GlasgowGlasgowUnited Kingdom
| | - Luca Nelli
- School of Biodiversity, One Health and Veterinary Medicine, University of GlasgowGlasgowUnited Kingdom
| | - Kimberly Fornace
- School of Biodiversity, One Health and Veterinary Medicine, University of GlasgowGlasgowUnited Kingdom
- Department of Disease Control, London School of Hygiene & Tropical MedicineLondonUnited Kingdom
- Centre on Climate Change and Planetary Health, London School of Hygiene & Tropical MedicineLondonUnited Kingdom
- Saw Swee Hock School of Public Health, National University of SingaporeSingaporeSingapore
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4
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Urbano P, Hernández C, Ballesteros N, Vega L, Alvarado M, Velásquez-Ortiz N, Martínez D, Barragán K, Ramírez A, Páez-Triana L, Urrea V, Ramírez JD, González C. Exploring dietary differences among developmental stages of triatomines infected with Trypanosoma cruzi in different habitats. Int J Parasitol 2024:S0020-7519(24)00107-3. [PMID: 38759833 DOI: 10.1016/j.ijpara.2024.05.001] [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: 12/28/2023] [Revised: 04/04/2024] [Accepted: 05/12/2024] [Indexed: 05/19/2024]
Abstract
Chagas disease affects millions of people in Colombia and worldwide, with its transmission influenced by ecological, environmental, and anthropogenic factors. There is a notable correlation between vector transmission cycles and the habitats of insect vectors of the parasite. However, the scale at which these cycles operate remains uncertain. While individual triatomine ecotopes such as palms provide conditions for isolated transmission cycles, recent studies examining triatomine blood sources in various habitats suggest a more intricate network of transmission cycles, linking wild ecotopes with human dwellings. This study aims to provide further evidence on the complexity of the scale of Trypanosoma cruzi transmission cycles, by exploring the different blood sources among developmental stages of infected triatomines in different habitats. We evaluated infection rates, parasite loads, feeding sources, and the distribution of Rhodnius prolixus insects in Attalea butyracea palms across three distinct habitats in Casanare, Colombia: peridomestics, pastures, and woodlands. Our results show that there is no clear independence in transmission cycles in each environment. Analyses of feeding sources suggest the movement of insects and mammals (primarily bats and didelphids) among habitats. A significant association was found between habitat and instar stages in collected R. prolixus. The N1 stage was correlated with pasture and woodland, while the N4 stage was related to pasture. Additionally, adult insects exhibited higher T. cruzi loads than N1, N2, and N3. We observed higher T. cruzi loads in insects captured in dwelling and pasture habitats, compared with those captured in woodland areas. Effective Chagas disease control strategies must consider the complexity of transmission cycles and the interplay between domestic and sylvatic populations of mammals and vectors.
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Affiliation(s)
- Plutarco Urbano
- Centro de Investigaciones en Microbiología y Parasitología Tropical (CIMPAT), Departamento de Ciencias Biológicas, Universidad de los Andes, Bogotá, Colombia; Grupo de Investigaciones Biológicas de la Orinoquia, Universidad Internacional del Trópico Americano (Unitrópico), Yopal, Colombia; Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia.
| | - Carolina Hernández
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia; Centro de Tecnología en Salud (CETESA), Innovaseq SAS, Bogotá, Colombia; Molecular Microbiology Laboratory, Department of Pathology, Molecular and Cell-Based Medicine, Icahn School of Medicine at Mount Sinai, New York City, NY, USA
| | - Nathalia Ballesteros
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia
| | - Laura Vega
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia
| | - Mateo Alvarado
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia
| | - Natalia Velásquez-Ortiz
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia
| | - Davinzon Martínez
- Grupo de Investigaciones Biológicas de la Orinoquia, Universidad Internacional del Trópico Americano (Unitrópico), Yopal, Colombia
| | - Karen Barragán
- Grupo de Investigaciones Biológicas de la Orinoquia, Universidad Internacional del Trópico Americano (Unitrópico), Yopal, Colombia
| | - Angie Ramírez
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia
| | - Luisa Páez-Triana
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia
| | - Vanessa Urrea
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia
| | - Juan David Ramírez
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia; Molecular Microbiology Laboratory, Department of Pathology, Molecular and Cell-Based Medicine, Icahn School of Medicine at Mount Sinai, New York City, NY, USA
| | - Camila González
- Centro de Investigaciones en Microbiología y Parasitología Tropical (CIMPAT), Departamento de Ciencias Biológicas, Universidad de los Andes, Bogotá, Colombia.
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5
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Tang KN, Adkesson MJ, Cárdenas-Alayza S, Adamovicz L, Deming AC, Wellehan JFX, Childress A, Cortes-Hinojosa G, Colegrove K, Langan JN, Allender MC. Otariid gammaherpesvirus 1 in South American fur seals (Arctocephalus australis) and a novel related herpesvirus in free-ranging South American sea lions (Otaria byronia): Prevalence and effects of age, sex, and sample type. PLoS One 2024; 19:e0299404. [PMID: 38446776 PMCID: PMC10917305 DOI: 10.1371/journal.pone.0299404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Accepted: 02/08/2024] [Indexed: 03/08/2024] Open
Abstract
Otariid gammaherpesvirus 1 (OtGHV1) is associated with high rates of urogenital carcinoma in free-ranging California sea lions (Zalophus californianus; CSL), and until recently was reported only in the Northern Hemisphere. The objective of this study was to survey free-ranging South American sea lions (Otaria byronia; SASL) and South American fur seals (Arctocephalus australis: SAFS) in Punta San Juan, Peru for OtGHV1 and to determine prevalence characteristics. Twenty-one percent (14/67) of urogenital swabs collected over three years (2011, 2014, 2015) from live pinnipeds of both species tested positive with a pan-herpesvirus conventional PCR. Sequencing of SAFS amplicons revealed 100% homology to OtGHV1 at the DNA polymerase, glycoprotein B, and viral bcl2-like genes. Sequencing of SASL amplicons revealed a novel related virus, herein called Otariid gammaherpesvirus 8 (OtGHV8). For comparison of sample sites, urogenital, conjunctival, and oropharyngeal swabs collected from 136 live pinnipeds of both species at Punta San Juan between 2011-2018 were then assayed using quantitative PCR for a segment of the OtGHV1/8 DNA polymerase gene using a qPCR assay now determined to cross-react between the two viruses. In total, across both species, 38.6% (51/132) of urogenital swabs, 5.6% (4/71) of conjunctival swabs, and 1.1% (1/90) of oropharyngeal swabs were positive for OtGHV1/8, with SASL only positive on urogenital swabs. Results from SASL were complicated by the finding of OtGHV8, necessitating further study to determine prevalence of OtGHV1 versus OtGHV8 using an alternate assay. Results from SAFS suggest a potential relationship between OtGHV1 in SAFS and CSL. Though necropsy surveillance in SAFS is very limited, geographic patterns of OtGHV1-associated urogenital carcinoma in CSL and the tendency of herpesviruses to cause more detrimental disease in aberrant hosts suggests that it is possible that SAFS may be the definitive host of OtGHV1, which gives further insight into the diversity and phyogeography of this clade of related gammaherpesviruses.
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Affiliation(s)
- Karisa N. Tang
- Chicago Zoological Society, Brookfield Zoo, Brookfield, IL, United States of America
- Illinois Zoological and Aquatic Animal Residency, Urbana, IL, United States of America
- A. Watson Armour III Center for Animal Health and Welfare, John G. Shedd Aquarium, Chicago, IL, United States of America
| | - Michael J. Adkesson
- Chicago Zoological Society, Brookfield Zoo, Brookfield, IL, United States of America
| | - Susana Cárdenas-Alayza
- Centro para la Sostenibilidad Ambiental, Universidad Peruana Cayetano Heredia, Lima, Peru
- Departamento de Ciencias Biológicas y Fisiológicas, Facultad de Ciencias y Filosofía, Universidad Peruana Cayetano Heredia, Lima, Peru
| | - Laura Adamovicz
- Wildlife Epidemiology Laboratory, University of Illinois College of Veterinary Medicine, Urbana, IL, United States of America
| | - Alissa C. Deming
- Pacific Marine Mammal Center, Laguna Beach, CA, United States of America
- Department of Comparative, Diagnostic, and Population Medicine, College of Veterinary Medicine, University of Florida, Gainesville, FL, United States of America
| | - James F. X. Wellehan
- Department of Comparative, Diagnostic, and Population Medicine, College of Veterinary Medicine, University of Florida, Gainesville, FL, United States of America
| | - April Childress
- Department of Comparative, Diagnostic, and Population Medicine, College of Veterinary Medicine, University of Florida, Gainesville, FL, United States of America
| | - Galaxia Cortes-Hinojosa
- Escuela de Medicina Veterinaria, Facultad de Agronomía e Ingeniería Forestal, Facultad de Ciencias Biológicas y Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Kathleen Colegrove
- Zoological Pathology Program, Veterinary Diagnostic Laboratory, College of Veterinary Medicine, University of Illinois, Brookfield, IL, United States of America
| | - Jennifer N. Langan
- Chicago Zoological Society, Brookfield Zoo, Brookfield, IL, United States of America
- Department of Veterinary Clinical Medicine, College of Veterinary Medicine, University of Illinois, Urbana, IL, United States of America
| | - Matthew C. Allender
- Chicago Zoological Society, Brookfield Zoo, Brookfield, IL, United States of America
- Wildlife Epidemiology Laboratory, University of Illinois College of Veterinary Medicine, Urbana, IL, United States of America
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6
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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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7
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Fang R, Yang X, Guo Y, Peng B, Dong R, Li S, Xu S. SARS-CoV-2 infection in animals: Patterns, transmission routes, and drivers. ECO-ENVIRONMENT & HEALTH (ONLINE) 2024; 3:45-54. [PMID: 38169914 PMCID: PMC10758742 DOI: 10.1016/j.eehl.2023.09.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 09/05/2023] [Accepted: 09/17/2023] [Indexed: 01/05/2024]
Abstract
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is more widespread in animals than previously thought, and it may be able to infect a wider range of domestic and wild species. To effectively control the spread of the virus and protect animal health, it is crucial to understand the cross-species transmission mechanisms and risk factors of SARS-CoV-2. This article collects published literature on SARS-CoV-2 in animals and examines the distribution, transmission routes, biophysical, and anthropogenic drivers of infected animals. The reported cases of infection in animals are mainly concentrated in South America, North America, and Europe, and species affected include lions, white-tailed deer, pangolins, minks, and cats. Biophysical factors influencing infection of animals with SARS-CoV-2 include environmental determinants, high-risk landscapes, air quality, and susceptibility of different animal species, while anthropogenic factors comprise human behavior, intensive livestock farming, animal markets, and land management. Due to current research gaps and surveillance capacity shortcomings, future mitigation strategies need to be designed from a One Health perspective, with research focused on key regions with significant data gaps in Asia and Africa to understand the drivers, pathways, and spatiotemporal dynamics of interspecies transmission.
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Affiliation(s)
- Ruying Fang
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Xin Yang
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Yiyang Guo
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Bingjie Peng
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Ruixuan Dong
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Sen Li
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Shunqing Xu
- School of Life Sciences, Hainan University, Haikou 570228, China
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8
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Ogunleye SC, Akinsulie OC, Aborode AT, Olorunshola MM, Gbore D, Oladoye M, Adesola RO, Gbadegoye JO, Olatoye BJ, Lawal MA, Bakare AB, Adekanye O, Chinyere EC. The re-emergence and transmission of Monkeypox virus in Nigeria: the role of one health. Front Public Health 2024; 11:1334238. [PMID: 38249416 PMCID: PMC10797020 DOI: 10.3389/fpubh.2023.1334238] [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: 11/06/2023] [Accepted: 12/08/2023] [Indexed: 01/23/2024] Open
Abstract
The Monkeypox virus, commonly abbreviated as mpox, is a viral zoonosis that is experiencing a resurgence in prevalence. It is endemic to regions of West and Central Africa that are characterized by dense forested areas. Various measures pertaining to animals, humans, and the environment have been recognized as potential factors and catalysts for the spread of the disease throughout the impacted regions of Africa. This study examines the various factors contributing to the transmission of the virus in Nigeria, with a particular focus on the animal-human and inter-human modes of transmission in rural communities and healthcare facilities. The One Health approach was emphasized as crucial in the prevention and management of this issue. Literature suggests that preventing repeated zoonotic introductions could potentially halt the transmission of the mpox virus from animal to human hosts, leading to a potential decrease in human infections.
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Affiliation(s)
- Seto C. Ogunleye
- Faculty of Veterinary Medicine, University of Ibadan, Ibada, Nigeria
| | - Olalekan C. Akinsulie
- Department of Veterinary Biochemistry, Nigeria College of Veterinary Medicine, University of Ibadan, Ibada, Nigeria
| | | | - Mercy M. Olorunshola
- Department of Pharmaceutical Microbiology, Pharmacy, University of Ibadan, Ibada, Nigeria
| | - Damilola Gbore
- Faculty of Veterinary Medicine, University of Ibadan, Ibada, Nigeria
| | | | - Ridwan O. Adesola
- Faculty of Veterinary Medicine, University of Ibadan, Ibada, Nigeria
| | - Joy O. Gbadegoye
- Department of Veterinary Biochemistry, Nigeria College of Veterinary Medicine, University of Ibadan, Ibada, Nigeria
- Healthy Africans Platform, Research and Development, Ibada, Nigeria
| | | | - Mariam A. Lawal
- Department of Biochemistry, Department of Biochemistry, Federal University of Agriculture, Abeokuta, Nigeria
| | - Akeem B. Bakare
- Faculty of Veterinary Medicine, University of Ibadan, Ibada, Nigeria
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9
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Holland CV. A walk on the wild side: A review of the epidemiology of Toxocara canis and Toxocara cati in wild hosts. Int J Parasitol Parasites Wildl 2023; 22:216-228. [PMID: 37964985 PMCID: PMC10641444 DOI: 10.1016/j.ijppaw.2023.10.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 10/15/2023] [Accepted: 10/15/2023] [Indexed: 11/16/2023]
Abstract
Toxocara species are cosmopolitan nematode parasites of companion, domestic and wild hosts. Of the 26 known species of Toxocara, only Toxocara canis and Toxocara cati are definitively zoonotic. The significance of wild carnivores as definitive hosts of T. canis and T. cati respectively, has received far less attention compared to domestic dogs and cats. Complex environmental changes have promoted increasing contact between wildlife, domestic animals and humans that can enhance the risk of pathogen spillover. This review lists a total of 19 species of wild canid host that have been shown to act as definitive hosts for T. canis and a total of 21 species of wild felid host. In general, the number of publications focusing on felid host species is fewer in number, reflecting the general paucity of data on T. cati. The wild canids that have received the most attention in the published literature include the red fox (Vulpes vulpes), the wolf (Canis lupus), and the golden jackal (Canis aureus). The wild felid species that has received the most attention in the published literature is the Eurasian lynx (Lynx lynx). Some non-canid and non-felid hosts also act as definitive hosts of Toxocara species. Certainly, red foxes would appear to be the most significant wild species in terms of their potential to transmit Toxocara to domestic dogs and humans via environmental contamination. This can be explained by their increasing population densities, encroachment into urban areas and their dietary preferences for a wide range of potential paratenic hosts. However, a major challenge remains to assess the relative importance of wild hosts as contributors to environmental contamination with Toxocara ova. Furthermore, one major constraint to our understanding of the significance of wildlife parasitism is a lack of access to samples, particularly from rare host species.
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Affiliation(s)
- Celia V. Holland
- Department of Zoology, School of Natural Sciences, Trinity College, Dublin 2, Ireland
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10
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Kuthyar S, Diaz J, Avalos-Villatoro F, Maltecca C, Tiezzi F, Dunn RR, Reese AT. Domestication shapes the pig gut microbiome and immune traits from the scale of lineage to population. J Evol Biol 2023; 36:1695-1711. [PMID: 37885134 DOI: 10.1111/jeb.14227] [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: 01/24/2023] [Revised: 08/22/2023] [Accepted: 08/29/2023] [Indexed: 10/28/2023]
Abstract
Animal ecology and evolution have long been known to shape host physiology, but more recently, the gut microbiome has been identified as a mediator between animal ecology and evolution and health. The gut microbiome has been shown to differ between wild and domestic animals, but the role of these differences for domestic animal evolution remains unknown. Gut microbiome responses to new animal genotypes and local environmental change during domestication may promote specific host phenotypes that are adaptive (or not) to the domestic environment. Because the gut microbiome supports host immune function, understanding the effects of animal ecology and evolution on the gut microbiome and immune phenotypes is critical. We investigated how domestication affects the gut microbiome and host immune state in multiple pig populations across five domestication contexts representing domestication status and current living conditions: free-ranging wild, captive wild, free-ranging domestic, captive domestic in research or industrial settings. We observed that domestication context explained much of the variation in gut microbiome composition, pathogen abundances and immune markers, yet the main differences in the repertoire of metabolic genes found in the gut microbiome were between the wild and domestic genetic lineages. We also documented population-level effects within domestication contexts, demonstrating that fine scale environmental variation also shaped host and microbe features. Our findings highlight that understanding which gut microbiome and immune traits respond to host genetic lineage and/or scales of local ecology could inform targeted interventions that manipulate the gut microbiome to achieve beneficial health outcomes.
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Affiliation(s)
- Sahana Kuthyar
- Division of Biological Sciences, University of California San Diego, La Jolla, California, USA
| | - Jessica Diaz
- Division of Biological Sciences, University of California San Diego, La Jolla, California, USA
| | | | - Christian Maltecca
- Department of Animal Science, North Carolina State University, Raleigh, North Carolina, USA
| | - Francesco Tiezzi
- Department of Agriculture, Food, Environment and Forestry, University of Florence, Florence, Italy
| | - Robert R Dunn
- Department of Applied Ecology, North Carolina State University, Raleigh, North Carolina, USA
| | - Aspen T Reese
- Division of Biological Sciences, University of California San Diego, La Jolla, California, USA
- Center for Microbiome Innovation, University of California San Diego, La Jolla, California, USA
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11
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García-Carrasco JM, Muñoz AR, Olivero J, Figuerola J, Fa JE, Real R. Gone (and spread) with the birds: Can chorotype analysis highlight the spread of West Nile virus within the Afro-Palaearctic flyway? One Health 2023; 17:100585. [PMID: 37359749 PMCID: PMC10285635 DOI: 10.1016/j.onehlt.2023.100585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 06/13/2023] [Accepted: 06/13/2023] [Indexed: 06/28/2023] Open
Abstract
West Nile virus (WNV) is a globally significant vector-borne disease that is primarily transmitted between birds and mosquitoes. Recently, there has been an increase in WNV in southern Europe, with new cases reported in more northern regions. Bird migration plays a crucial role in the introduction of WNV in distant areas. To better understand and address this complex issue, we adopted a One Health approach, integrating clinical, zoological, and ecological data. We analyzed the role of migratory birds in the Palaearctic-African region in the spread of WNV across Africa and Europe. We categorized bird species into breeding and wintering chorotypes based on their distribution during the breeding season in the Western Palaearctic and the wintering season in the Afrotropical region, respectively. By linking these chorotypes to the occurrence of WNV outbreaks in both continents throughout the annual bird migration cycle, we investigated the relationship between migratory patterns and virus spread. We demonstrate that WNV-risk areas are interconnected through the migration of birds. We identified a total of 61 species that potentially contribute to the intercontinental spread of the virus or its variants, as well as pinpointed high-risk areas for future outbreaks. This interdisciplinary approach, which considers the interconnectedness of animals, humans, and ecosystems, represents a pioneering effort to establish connections between zoonotic diseases across continents. The findings of our study can aid in anticipating the arrival of new WNV strains and predicting the occurrence of other re-emerging diseases. By incorporating various disciplines, we can enhance our understanding of these complex dynamics and provide valuable insights for proactive and comprehensive disease management strategies.
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Affiliation(s)
- José-María García-Carrasco
- Biogeography, Diversity and Conservation Lab, Department of Animal Biology, Faculty of Sciences, University of Málaga, Málaga, Spain
| | - Antonio-Román Muñoz
- Biogeography, Diversity and Conservation Lab, Department of Animal Biology, Faculty of Sciences, University of Málaga, Málaga, Spain
| | - Jesús Olivero
- Biogeography, Diversity and Conservation Lab, Department of Animal Biology, Faculty of Sciences, University of Málaga, Málaga, Spain
- Instituto IBYDA, Centro de Experimentación Grice-Hutchinson, Malaga, Spain
| | - Jordi Figuerola
- Estación Biológica de Doñana – CSIC, Avda. Américo Vespucio 26, 41092 Sevilla, Spain
- CIBER de Epidemiología y Salud Pública (CIBERESP), Spain
| | - Julia E. Fa
- Department of Natural Sciences, School of Science and the Environment, Manchester Metropolitan University, Manchester, UK
- Center for International Forestry Research (CIFOR), CIFOR Headquarters, Bogor, Indonesia
| | - Raimundo Real
- Biogeography, Diversity and Conservation Lab, Department of Animal Biology, Faculty of Sciences, University of Málaga, Málaga, Spain
- Instituto IBYDA, Centro de Experimentación Grice-Hutchinson, Malaga, Spain
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12
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Roque FDO, Bellón B, Guerra A, Valente-Neto F, Santos CC, Melo I, Nobre Arcos A, de Oliveira AG, Valle Nunes A, de Araujo Martins C, Souza FL, Herrera H, Tavares LER, Almeida-Gomes M, Pays O, Renaud PC, Gomes Barrios SP, Yon L, Bowsher G, Sullivan R, Johnson M, Grelle CEV, Ochoa-Quintero JM. Incorporating biodiversity responses to land use change scenarios for preventing emerging zoonotic diseases in areas of unknown host-pathogen interactions. Front Vet Sci 2023; 10:1229676. [PMID: 38026639 PMCID: PMC10665965 DOI: 10.3389/fvets.2023.1229676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 10/16/2023] [Indexed: 12/01/2023] Open
Abstract
The need to reconcile food production, the safeguarding of nature, and the protection of public health is imperative in a world of continuing global change, particularly in the context of risks of emerging zoonotic disease (EZD). In this paper, we explored potential land use strategies to reduce EZD risks using a landscape approach. We focused on strategies for cases where the dynamics of pathogen transmission among species were poorly known and the ideas of "land-use induced spillover" and "landscape immunity" could be used very broadly. We first modeled three different land-use change scenarios in a region of transition between the Cerrado and the Atlantic Forest biodiversity hotspots. The land-use strategies used to build our scenarios reflected different proportions of native vegetation cover, as a proxy of habitat availability. We then evaluated the effects of the proportion of native vegetation cover on the occupancy probability of a group of mammal species and analyzed how the different land-use scenarios might affect the distribution of species in the landscape and thus the risk of EZD. We demonstrate that these approaches can help identify potential future EZD risks, and can thus be used as decision-making tools by stakeholders, with direct implications for improving both environmental and socio-economic outcomes.
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Affiliation(s)
- Fabio de Oliveira Roque
- Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, Cidade Universitária, Campo Grande, Brazil
- Centre for Tropical Environmental and Sustainability Science (TESS) and College of Science and Engineering, James Cook University, Cairns, QLD, Australia
| | - Beatriz Bellón
- BIODIVAG, Univ Angers, Angers, France
- Department of Environmental Science, Rhodes University, Makhanda, South Africa
| | - Angélica Guerra
- Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, Cidade Universitária, Campo Grande, Brazil
| | - Francisco Valente-Neto
- Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, Cidade Universitária, Campo Grande, Brazil
| | - Cyntia C. Santos
- Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, Cidade Universitária, Campo Grande, Brazil
- BIODIVAG, Univ Angers, Angers, France
- Wetlands International Brazil, Campo Grande, Brazil
| | - Isabel Melo
- Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, Cidade Universitária, Campo Grande, Brazil
- Instituto de Investigación de Recursos Biológicos Alexander von Humboldt, Bogotá, Colombia
| | - Adriano Nobre Arcos
- Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, Cidade Universitária, Campo Grande, Brazil
| | | | - André Valle Nunes
- Instituto Nacional de Pesquisa do Pantanal, Programa de Capacitação Institucional, Museu Paraense Emílio Goeldi, Cuiabá, Brazil
| | - Clarissa de Araujo Martins
- Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, Cidade Universitária, Campo Grande, Brazil
- BIODIVAG, Univ Angers, Angers, France
- Wetlands International Brazil, Campo Grande, Brazil
| | - Franco L. Souza
- Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, Cidade Universitária, Campo Grande, Brazil
| | - Heitor Herrera
- Universidade Católica Dom Bosco, Programa de Pós-Graduação em Ciências Ambientais e Sustentabilidade Agropecuária, Campo Grande, Brazil
| | - Luiz Eduardo R. Tavares
- Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, Cidade Universitária, Campo Grande, Brazil
| | - Mauricio Almeida-Gomes
- Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, Cidade Universitária, Campo Grande, Brazil
| | - Olivier Pays
- BIODIVAG, Univ Angers, Angers, France
- REHABS International Research Laboratory, CNRS-Université Lyon 1-Nelson Mandela University, George, South Africa
| | | | | | - Lisa Yon
- School of Veterinary Medicine and Science, University of Nottingham, Nottingham, United Kingdom
| | - Gemma Bowsher
- Centre for Conflict and Health, King’s College, London, United Kingdom
| | - Richard Sullivan
- Centre for Conflict and Health, King’s College, London, United Kingdom
| | - Matthew Johnson
- School of Geography, University of Nottingham, Nottingham, United Kingdom
| | - Carlos E. V. Grelle
- Department of Ecology, Universidade Federal do Rio de Janeiro (UFRJ), Campo Grande, Brazil
| | - Jose Manuel Ochoa-Quintero
- Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, Cidade Universitária, Campo Grande, Brazil
- Instituto de Investigación de Recursos Biológicos Alexander von Humboldt, Bogotá, Colombia
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13
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Vicente-Santos A, Willink B, Nowak K, Civitello DJ, Gillespie TR. Host-pathogen interactions under pressure: A review and meta-analysis of stress-mediated effects on disease dynamics. Ecol Lett 2023; 26:2003-2020. [PMID: 37804128 PMCID: PMC10874615 DOI: 10.1111/ele.14319] [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: 03/27/2023] [Revised: 09/07/2023] [Accepted: 09/12/2023] [Indexed: 10/08/2023]
Abstract
Human activities have increased the intensity and frequency of natural stressors and created novel stressors, altering host-pathogen interactions and changing the risk of emerging infectious diseases. Despite the ubiquity of such anthropogenic impacts, predicting the directionality of outcomes has proven challenging. Here, we conduct a review and meta-analysis to determine the primary mechanisms through which stressors affect host-pathogen interactions and to evaluate the impacts stress has on host fitness (survival and fecundity) and pathogen infectivity (prevalence and intensity). We assessed 891 effect sizes from 71 host species (representing seven taxonomic groups) and 78 parasite taxa from 98 studies. We found that infected and uninfected hosts had similar sensitivity to stressors and that responses varied according to stressor type. Specifically, limited resources compromised host fecundity and decreased pathogen intensity, while abiotic environmental stressors (e.g., temperature and salinity) decreased host survivorship and increased pathogen intensity, and pollution increased mortality but decreased pathogen prevalence. We then used our meta-analysis results to develop susceptible-infected theoretical models to illustrate scenarios where infection rates are expected to increase or decrease in response to resource limitations or environmental stress gradients. Our results carry implications for conservation and disease emergence and reveal areas for future work.
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Affiliation(s)
- Amanda Vicente-Santos
- Population Biology, Ecology, and Evolution Program, Emory University, Atlanta, GA 30322, USA
| | - Beatriz Willink
- Department of Zoology, Stockholm University, Stockholm 106-91, Sweden
- Department of Biological Sciences, National University of Singapore, Singapore 117558, Singapore
- School of Biology, University of Costa Rica, San José 11501-2060, Costa Rica
| | - Kacy Nowak
- Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA 30322, USA
| | - David J. Civitello
- Population Biology, Ecology, and Evolution Program, Emory University, Atlanta, GA 30322, USA
- Department of Biology, Emory University, Atlanta, GA 30322, USA
| | - Thomas R. Gillespie
- Population Biology, Ecology, and Evolution Program, Emory University, Atlanta, GA 30322, USA
- Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA 30322, USA
- Department of Environmental Sciences, Emory University, Atlanta, GA 30322, USA
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14
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Shaw AK, Torstenson M, Craft ME, Binning SA. Gaps in modelling animal migration with evolutionary game theory: infection can favour the loss of migration. Philos Trans R Soc Lond B Biol Sci 2023; 378:20210506. [PMID: 36934748 PMCID: PMC10024995 DOI: 10.1098/rstb.2021.0506] [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: 06/08/2022] [Accepted: 10/03/2022] [Indexed: 03/21/2023] Open
Abstract
Ongoing environmental changes alter how natural selection shapes animal migration. Understanding how these changes play out theoretically can be done using evolutionary game theoretic (EGT) approaches, such as looking for evolutionarily stable strategies. Here, we first describe historical patterns of how EGT models have explored different drivers of migration. We find that there are substantial gaps in both the taxa (mammals, amphibians, reptiles, insects) and mechanisms (mutualism, interspecific competition) included in past EGT models of migration. Although enemy interactions, including parasites, are increasingly considered in models of animal migration, they remain the least studied of factors for migration considered to date. Furthermore, few papers look at changes in migration in response to perturbations (e.g. climate change, new species interactions). To address this gap, we present a new EGT model to understand how infection with a novel parasite changes host migration. We find three possible outcomes when migrants encounter novel parasites: maintenance of migration (despite the added infection cost), loss of migration (evolutionary shift to residency) or population collapse, depending on the risk and cost of getting infected, and the cost currency. Our work demonstrates how emerging infection can alter animal behaviour such as migration. This article is part of the theme issue 'Half a century of evolutionary games: a synthesis of theory, application and future directions'.
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Affiliation(s)
- Allison K. Shaw
- Department of Ecology, Evolution and Behavior, University of Minnesota, St Paul, MN 55108, USA
| | - Martha Torstenson
- Department of Ecology, Evolution and Behavior, University of Minnesota, St Paul, MN 55108, USA
| | - Meggan E. Craft
- Department of Ecology, Evolution and Behavior, University of Minnesota, St Paul, MN 55108, USA
| | - Sandra A. Binning
- Département de sciences biologiques, Université de Montréal, Montréal, Québec, H3C 3J7, Canada
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15
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Romero-Alvarez D, Escobar LE, Auguste AJ, Del Valle SY, Manore CA. Transmission risk of Oropouche fever across the Americas. Infect Dis Poverty 2023; 12:47. [PMID: 37149619 PMCID: PMC10163756 DOI: 10.1186/s40249-023-01091-2] [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: 11/09/2022] [Accepted: 04/04/2023] [Indexed: 05/08/2023] Open
Abstract
BACKGROUND Vector-borne diseases (VBDs) are important contributors to the global burden of infectious diseases due to their epidemic potential, which can result in significant population and economic impacts. Oropouche fever, caused by Oropouche virus (OROV), is an understudied zoonotic VBD febrile illness reported in Central and South America. The epidemic potential and areas of likely OROV spread remain unexplored, limiting capacities to improve epidemiological surveillance. METHODS To better understand the capacity for spread of OROV, we developed spatial epidemiology models using human outbreaks as OROV transmission-locality data, coupled with high-resolution satellite-derived vegetation phenology. Data were integrated using hypervolume modeling to infer likely areas of OROV transmission and emergence across the Americas. RESULTS Models based on one-support vector machine hypervolumes consistently predicted risk areas for OROV transmission across the tropics of Latin America despite the inclusion of different parameters such as different study areas and environmental predictors. Models estimate that up to 5 million people are at risk of exposure to OROV. Nevertheless, the limited epidemiological data available generates uncertainty in projections. For example, some outbreaks have occurred under climatic conditions outside those where most transmission events occur. The distribution models also revealed that landscape variation, expressed as vegetation loss, is linked to OROV outbreaks. CONCLUSIONS Hotspots of OROV transmission risk were detected along the tropics of South America. Vegetation loss might be a driver of Oropouche fever emergence. Modeling based on hypervolumes in spatial epidemiology might be considered an exploratory tool for analyzing data-limited emerging infectious diseases for which little understanding exists on their sylvatic cycles. OROV transmission risk maps can be used to improve surveillance, investigate OROV ecology and epidemiology, and inform early detection.
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Affiliation(s)
- Daniel Romero-Alvarez
- Biodiversity Institute and Department of Ecology & Evolutionary Biology, University of Kansas, Lawrence, KS, 66044, USA.
- Information Systems and Modeling (A-1), Los Alamos National Laboratory, Los Alamos, NM, USA.
- OneHealth Research Group, Facultad de Medicina, Universidad de las Américas, Quito, Ecuador.
| | - Luis E Escobar
- Department of Fish and Wildlife Conservation, Virginia Tech, Blacksburg, VA, 24061, USA
- Center for Emerging, Zoonotic, and Arthropod-Borne Pathogens, Virginia Tech, Blacksburg, VA, 24061, USA
| | - Albert J Auguste
- Center for Emerging, Zoonotic, and Arthropod-Borne Pathogens, Virginia Tech, Blacksburg, VA, 24061, USA
- Department of Entomology, Fralin Life Science Institute, College of Agriculture and Life Sciences, Virginia Tech, Blacksburg, VA, 24061, USA
| | - Sara Y Del Valle
- Information Systems and Modeling (A-1), Los Alamos National Laboratory, Los Alamos, NM, USA
| | - Carrie A Manore
- Theoretical Biology and Biophysics (T-6), Los Alamos National Laboratory, Los Alamos, NM, USA
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16
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Hassall RMJ, Burthe SJ, Schäfer SM, Hartemink N, Purse BV. Using mechanistic models to highlight research priorities for tick-borne zoonotic diseases: Improving our understanding of the ecology and maintenance of Kyasanur Forest Disease in India. PLoS Negl Trop Dis 2023; 17:e0011300. [PMID: 37126514 PMCID: PMC10174626 DOI: 10.1371/journal.pntd.0011300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 05/11/2023] [Accepted: 04/11/2023] [Indexed: 05/02/2023] Open
Abstract
The risk of spillover of zoonotic diseases to humans is changing in response to multiple environmental and societal drivers, particularly in tropical regions where the burden of neglected zoonotic diseases is highest and land use change and forest conversion is occurring most rapidly. Neglected zoonotic diseases can have significant impacts on poor and marginalised populations in low-resource settings but ultimately receive less attention and funding for research and interventions. As such, effective control measures and interventions are often hindered by a limited ecological evidence base, which results in a limited understanding of epidemiologically relevant hosts or vectors and the processes that contribute to the maintenance of pathogens and spillover to humans. Here, we develop a generalisable next generation matrix modelling framework to better understand the transmission processes and hosts that have the greatest contribution to the maintenance of tick-borne diseases with the aim of improving the ecological evidence base and framing future research priorities for tick-borne diseases. Using this model we explore the relative contribution of different host groups and transmission routes to the maintenance of a neglected zoonotic tick-borne disease, Kyasanur Forest Disease Virus (KFD), in multiple habitat types. The results highlight the potential importance of transovarial transmission and small mammals and birds in maintaining this disease. This contradicts previous hypotheses that primates play an important role influencing the distribution of infected ticks. There is also a suggestion that risk could vary across different habitat types but currently more research is needed to evaluate this relationship. In light of these results, we outline the key knowledge gaps for this system and future research priorities that could inform effective interventions and control measures.
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Affiliation(s)
| | - Sarah J. Burthe
- UK Centre for Ecology & Hydrology, Edinburgh, United Kingdom
| | | | - Nienke Hartemink
- Biometris, Wageningen University and Research, Wageningen, The Netherlands
- Quantitative Veterinary Epidemiology Group, Wageningen University and Research, Wageningen, The Netherlands
| | - Bethan V. Purse
- UK Centre for Ecology & Hydrology, Wallingford, United Kingdom
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17
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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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18
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Magalhães AR, Codeço CT, Svenning JC, Escobar LE, Van de Vuurst P, Gonçalves-Souza T. Neglected tropical diseases risk correlates with poverty and early ecosystem destruction. Infect Dis Poverty 2023; 12:32. [PMID: 37038199 PMCID: PMC10084676 DOI: 10.1186/s40249-023-01084-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 03/19/2023] [Indexed: 04/12/2023] Open
Abstract
BACKGROUND Neglected tropical diseases affect the most vulnerable populations and cause chronic and debilitating disorders. Socioeconomic vulnerability is a well-known and important determinant of neglected tropical diseases. For example, poverty and sanitation could influence parasite transmission. Nevertheless, the quantitative impact of socioeconomic conditions on disease transmission risk remains poorly explored. METHODS This study investigated the role of socioeconomic variables in the predictive capacity of risk models of neglected tropical zoonoses using a decade of epidemiological data (2007-2018) from Brazil. Vector-borne diseases investigated in this study included dengue, malaria, Chagas disease, leishmaniasis, and Brazilian spotted fever, while directly-transmitted zoonotic diseases included schistosomiasis, leptospirosis, and hantaviruses. Environmental and socioeconomic predictors were combined with infectious disease data to build environmental and socioenvironmental sets of ecological niche models and their performances were compared. RESULTS Socioeconomic variables were found to be as important as environmental variables in influencing the estimated likelihood of disease transmission across large spatial scales. The combination of socioeconomic and environmental variables improved overall model accuracy (or predictive power) by 10% on average (P < 0.01), reaching a maximum of 18% in the case of dengue fever. Gross domestic product was the most important socioeconomic variable (37% relative variable importance, all individual models exhibited P < 0.00), showing a decreasing relationship with disease indicating poverty as a major factor for disease transmission. Loss of natural vegetation cover between 2008 and 2018 was the most important environmental variable (42% relative variable importance, P < 0.05) among environmental models, exhibiting a decreasing relationship with disease probability, showing that these diseases are especially prevalent in areas where natural ecosystem destruction is on its initial stages and lower when ecosystem destruction is on more advanced stages. CONCLUSIONS Destruction of natural ecosystems coupled with low income explain macro-scale neglected tropical and zoonotic disease probability in Brazil. Addition of socioeconomic variables improves transmission risk forecasts on tandem with environmental variables. Our results highlight that to efficiently address neglected tropical diseases, public health strategies must target both reduction of poverty and cessation of destruction of natural forests and savannas.
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Affiliation(s)
- Arthur Ramalho Magalhães
- Laboratory of Ecological Synthesis and Biodiversity Conservation (ECOFUN), Federal Rural University of Pernambuco, Recife, PE, Brazil
| | - Cláudia Torres Codeço
- Scientific Computation Program (PROCC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil
| | - Jens-Christian Svenning
- Center for Ecological Dynamics in a Novel Biosphere (ECONOVO) & Center for Biodiversity Dynamics in a Changing World (BIOCHANGE), Department of Biology., Aarhus University, Aarhus, Denmark
| | - Luis E Escobar
- Department of Fish and Wildlife Conservation, Virginia Tech, Blacksburg, VA, USA
- Center for Emerging Zoonotic and Arthropod-Borne Pathogens, Virginia Tech, Blacksburg, VA, USA
| | - Paige Van de Vuurst
- Center for Emerging Zoonotic and Arthropod-Borne Pathogens, Virginia Tech, Blacksburg, VA, USA
- Translational Biology, Medicine and Health Program, Virginia Tech Graduate School, Blacksburg, VA, USA
| | - Thiago Gonçalves-Souza
- Laboratory of Ecological Synthesis and Biodiversity Conservation (ECOFUN), Federal Rural University of Pernambuco, Recife, PE, Brazil.
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19
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Vora NM, Hannah L, Walzer C, Vale MM, Lieberman S, Emerson A, Jennings J, Alders R, Bonds MH, Evans J, Chilukuri B, Cook S, Sizer NC, Epstein JH. Interventions to Reduce Risk for Pathogen Spillover and Early Disease Spread to Prevent Outbreaks, Epidemics, and Pandemics. Emerg Infect Dis 2023; 29:1-9. [PMID: 36823026 PMCID: PMC9973692 DOI: 10.3201/eid2903.221079] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023] Open
Abstract
The pathogens that cause most emerging infectious diseases in humans originate in animals, particularly wildlife, and then spill over into humans. The accelerating frequency with which humans and domestic animals encounter wildlife because of activities such as land-use change, animal husbandry, and markets and trade in live wildlife has created growing opportunities for pathogen spillover. The risk of pathogen spillover and early disease spread among domestic animals and humans, however, can be reduced by stopping the clearing and degradation of tropical and subtropical forests, improving health and economic security of communities living in emerging infectious disease hotspots, enhancing biosecurity in animal husbandry, shutting down or strictly regulating wildlife markets and trade, and expanding pathogen surveillance. We summarize expert opinions on how to implement these goals to prevent outbreaks, epidemics, and pandemics.
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20
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Zhu Y, Zhu D, Rillig MC, Yang Y, Chu H, Chen Q, Penuelas J, Cui H, Gillings M. Ecosystem Microbiome Science. MLIFE 2023; 2:2-10. [PMID: 38818334 PMCID: PMC10989922 DOI: 10.1002/mlf2.12054] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Revised: 12/11/2022] [Accepted: 12/15/2022] [Indexed: 06/01/2024]
Abstract
The microbiome contributes to multiple ecosystem functions and services through its interactions with a complex environment and other organisms. To date, however, most microbiome studies have been carried out on individual hosts or particular environmental compartments. This greatly limits a comprehensive understanding of the processes and functions performed by the microbiome and its dynamics at an ecosystem level. We propose that the theory and tools of ecosystem ecology be used to investigate the connectivity of microorganisms and their interactions with the biotic and abiotic environment within entire ecosystems and to examine their contributions to ecosystem services. Impacts of natural and anthropogenic stressors on ecosystems will likely cause cascading effects on the microbiome and lead to unpredictable outcomes, such as outbreaks of emerging infectious diseases or changes in mutualistic interactions. Despite enormous advances in microbial ecology, we are yet to study microbiomes of ecosystems as a whole. Doing so would establish a new framework for microbiome study: Ecosystem Microbiome Science. The advent and application of molecular and genomic technologies, together with data science and modeling, will accelerate progress in this field.
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Affiliation(s)
- Yong‐Guan Zhu
- Key Laboratory of Urban Environment and Health, Institute of Urban EnvironmentChinese Academy of SciencesXiamenChina
- State Key Laboratory of Urban and Regional Ecology, Research Centre for Eco‐environmental SciencesChinese Academy of SciencesBeijingChina
| | - Dong Zhu
- State Key Laboratory of Urban and Regional Ecology, Research Centre for Eco‐environmental SciencesChinese Academy of SciencesBeijingChina
| | - Matthias C. Rillig
- Institute of BiologyFreie Universität BerlinBerlinGermany
- Berlin‐Brandenburg Institute of Advanced Biodiversity Research (BBIB)BerlinGermany
| | - Yunfeng Yang
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of EnvironmentTsinghua UniversityBeijingChina
| | - Haiyan Chu
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil ScienceChinese Academy of SciencesNanjingChina
| | - Qing‐Lin Chen
- Faculty of Veterinary and Agricultural SciencesThe University of MelbourneMelbourneVictoriaAustralia
| | - Josep Penuelas
- CSIC, Global Ecology Unit CREAF‐CSIC‐UABBellaterraCataloniaSpain
- CREAFCerdanyola del VallèsCataloniaSpain
| | - Hui‐Ling Cui
- State Key Laboratory of Urban and Regional Ecology, Research Centre for Eco‐environmental SciencesChinese Academy of SciencesBeijingChina
| | - Michael Gillings
- ARC Centre of Excellence for Synthetic Biology, and Department of Biological SciencesMacquarie UniversitySydneyNew South WalesAustralia
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21
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Johnson E, Campos-Cerqueira M, Jumail A, Yusni ASA, Salgado-Lynn M, Fornace K. Applications and advances in acoustic monitoring for infectious disease epidemiology. Trends Parasitol 2023; 39:386-399. [PMID: 36842917 DOI: 10.1016/j.pt.2023.01.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 01/19/2023] [Accepted: 01/19/2023] [Indexed: 02/28/2023]
Abstract
Emerging infectious diseases continue to pose a significant burden on global public health, and there is a critical need to better understand transmission dynamics arising at the interface of human activity and wildlife habitats. Passive acoustic monitoring (PAM), more typically applied to questions of biodiversity and conservation, provides an opportunity to collect and analyse audio data in relative real time and at low cost. Acoustic methods are increasingly accessible, with the expansion of cloud-based computing, low-cost hardware, and machine learning approaches. Paired with purposeful experimental design, acoustic data can complement existing surveillance methods and provide a novel toolkit to investigate the key biological parameters and ecological interactions that underpin infectious disease epidemiology.
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Affiliation(s)
- Emilia Johnson
- School of Biodiversity, One Health & Veterinary Medicine, University of Glasgow, Glasgow G12 8QQ, UK.
| | | | - Amaziasizamoria Jumail
- Danau Girang Field Centre c/o Sabah Wildlife Department, Wisma Muis, Block B, 5th Floor, 88100 Kota Kinabalu, Sabah, Malaysia; Organisms and Environment Division, Cardiff School of Biosciences, Cardiff University, Sir Martin Evans Building, Museum Avenue, Cardiff CF10 3AX, UK
| | - Ashraft Syazwan Ahmady Yusni
- Danau Girang Field Centre c/o Sabah Wildlife Department, Wisma Muis, Block B, 5th Floor, 88100 Kota Kinabalu, Sabah, Malaysia; Institute for Tropical Biology and Conservation, Universiti Malaysia Sabah, Jalan UMS, 88400 Kota Kinabalu, Sabah, Malaysia
| | - Milena Salgado-Lynn
- Danau Girang Field Centre c/o Sabah Wildlife Department, Wisma Muis, Block B, 5th Floor, 88100 Kota Kinabalu, Sabah, Malaysia; Organisms and Environment Division, Cardiff School of Biosciences, Cardiff University, Sir Martin Evans Building, Museum Avenue, Cardiff CF10 3AX, UK; Wildlife Health, Genetic and Forensic Laboratory, c/o Sabah Wildlife Department, Wisma Muis, Block B, 5th Floor, 88100 Kota Kinabalu, Sabah
| | - Kimberly Fornace
- School of Biodiversity, One Health & Veterinary Medicine, University of Glasgow, Glasgow G12 8QQ, UK; Centre for Climate Change and Planetary Health and Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London WC1E 7HT, UK; Saw Swee Hock School of Public Health, National University of Singapore, Singapore; National University Health System, Singapore 117549, Singapore
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22
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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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23
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Hill SC, François S, Thézé J, Smith AL, Simmonds P, Perrins CM, van der Hoek L, Pybus OG. Impact of host age on viral and bacterial communities in a waterbird population. THE ISME JOURNAL 2023; 17:215-226. [PMID: 36319706 PMCID: PMC9860062 DOI: 10.1038/s41396-022-01334-4] [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: 03/22/2022] [Revised: 10/03/2022] [Accepted: 10/11/2022] [Indexed: 11/07/2022]
Abstract
Wildlife harbour pathogens that can harm human or livestock health and are the source of most emerging infectious diseases. It is rarely considered how changes in wildlife population age-structures or how age-stratified behaviours might alter the level of pathogen detection within a species, or risk of spillover to other species. Micro-organisms that occur in healthy animals can be an important model for understanding and predicting the dynamics of pathogens of greater health concern, which are hard to study in wild populations due to their relative rarity. We therefore used a metagenomic approach to jointly characterise viral and prokaryotic carriage in faeces collected from a healthy wild bird population (Cygnus olor; mute swan) that has been subject to long-term study. Using 223 samples from known individuals allowed us to compare differences in prokaryotic and eukaryotic viral carriage between adults and juveniles at an unprecedented level of detail. We discovered and characterised 77 novel virus species, of which 21% belong putatively to bird-infecting families, and described the core prokaryotic microbiome of C. olor. Whilst no difference in microbiota diversity was observed between juveniles and adult individuals, 50% (4/8) of bird-infecting virus families (picornaviruses, astroviruses, adenoviruses and bornaviruses) and 3.4% (9/267) of prokaryotic families (including Helicobacteraceae, Spirochaetaceae and Flavobacteriaceae families) were differentially abundant and/or prevalent between juveniles and adults. This indicates that perturbations that affect population age-structures of wildlife could alter circulation dynamics and spillover risk of microbes, potentially including pathogens.
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Affiliation(s)
- Sarah C Hill
- Department of Pathobiology and Population Sciences, Royal Veterinary College, London, UK.
- Department of Biology, University of Oxford, Oxford, UK.
| | - Sarah François
- Department of Biology, University of Oxford, Oxford, UK.
| | - Julien Thézé
- Department of Biology, University of Oxford, Oxford, UK
- UMR EPIA, Université Clermont Auvergne, INRAE, VetAgro Sup, Saint-Genès-Champanelle, France
| | - Adrian L Smith
- Department of Biology, University of Oxford, Oxford, UK
- Nuffield Department of Medicine, University of Oxford, Peter Medawar Building, South Parks Road, Oxford, UK
| | - Peter Simmonds
- Nuffield Department of Medicine, University of Oxford, Peter Medawar Building, South Parks Road, Oxford, UK
| | | | - Lia van der Hoek
- Amsterdam Institute for Infection and Immunity, Amsterdam, The Netherlands
- Laboratory of Experimental Virology, Department of Medical Microbiology and Infection Prevention, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
| | - Oliver G Pybus
- Department of Pathobiology and Population Sciences, Royal Veterinary College, London, UK.
- Department of Biology, University of Oxford, Oxford, UK.
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24
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Modeling the role of land conversion on the spread of an epizootic disease. J Theor Biol 2023; 557:111324. [PMID: 36334851 DOI: 10.1016/j.jtbi.2022.111324] [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: 06/30/2022] [Revised: 10/07/2022] [Accepted: 10/13/2022] [Indexed: 11/11/2022]
Abstract
Land conversion and the resulting contact between domesticated and wild species has arguably been the single largest contributor to the emergence of novel epizootic and zoonotic diseases in the past century. An unintended consequence of these interactions is zoonotic or epizootic disease spillovers from wild species to humans and their domesticates. Disease spillovers are edge effects of land conversion and are sensitive to the size and shape of converted areas. We combine spatial metrics from landscape ecology with theoretical epidemiological models to understand how the size and shape of land conversion affect epizootic and zoonotic disease transmission of single and two species populations. We show that the less compact the converted area, and the greater the depth of the contact zone, the more rapidly will an introduced disease spread through the domesticated population.
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25
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Tull A, Valdmann H, Tammeleht E, Kaasiku T, Rannap R, Saarma U. High overlap of zoonotic helminths between wild mammalian predators and rural dogs - an emerging One Health concern? Parasitology 2022; 149:1565-1574. [PMID: 35924728 PMCID: PMC11010195 DOI: 10.1017/s0031182022001032] [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: 06/13/2022] [Revised: 07/20/2022] [Accepted: 07/20/2022] [Indexed: 11/06/2022]
Abstract
The concept of One Health emphasizes the interdependence of human, animal and environmental health and is of growing significance, in part owing to the problems related to emerging infectious diseases of wildlife origin. Wild mammalian predators are a potential risk factor for transmission of zoonotic pathogens to domesticated animals and humans. This is especially relevant in rural areas, where transmission of zoonotic pathogens can occur particularly efficiently when free-ranging dogs are present. The main aim of this study was to determine helminth infections among wild mammalian predators and evaluate the overlap between helminth faunas of wild mammals and dogs. Scat samples of predators were collected in coastal areas of Western Estonia and genetic methodology applied for the correct identification of predator species from their scat. Parasitic helminths of mammalian predators in the scat samples were analysed and compared with dog data from a previous study. High helminth prevalence (~90%) was found in dominant predator species in the area, namely the red fox (Vulpes vulpes) and golden jackal (Canis aureus). Moreover, the helminth fauna of both wild species, including potentially zoonotic helminths, overlapped largely with that of rural dogs in the same area. The results, together with the ones from earlier parasitological studies among humans in Estonia, emphasize the potential risk of pathogen transmission from wild mammalian predators to dogs and from dogs to humans, making parasitic diseases of wildlife a One Health concern.
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Affiliation(s)
- Ants Tull
- Department of Zoology, Institute of Ecology and Earth Sciences, University of Tartu, J. Liivi 2, 50409 Tartu, Estonia
| | - Harri Valdmann
- Department of Zoology, Institute of Ecology and Earth Sciences, University of Tartu, J. Liivi 2, 50409 Tartu, Estonia
| | - Egle Tammeleht
- Department of Zoology, Institute of Ecology and Earth Sciences, University of Tartu, J. Liivi 2, 50409 Tartu, Estonia
| | - Triin Kaasiku
- Department of Zoology, Institute of Ecology and Earth Sciences, University of Tartu, J. Liivi 2, 50409 Tartu, Estonia
| | - Riinu Rannap
- Department of Zoology, Institute of Ecology and Earth Sciences, University of Tartu, J. Liivi 2, 50409 Tartu, Estonia
| | - Urmas Saarma
- Department of Zoology, Institute of Ecology and Earth Sciences, University of Tartu, J. Liivi 2, 50409 Tartu, Estonia
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26
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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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27
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Nova N, Athni TS, Childs ML, Mandle L, Mordecai EA. Global Change and Emerging Infectious Diseases. ANNUAL REVIEW OF RESOURCE ECONOMICS 2022; 14:333-354. [PMID: 38371741 PMCID: PMC10871673 DOI: 10.1146/annurev-resource-111820-024214] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/20/2024]
Abstract
Our world is undergoing rapid planetary changes driven by human activities, often mediated by economic incentives and resource management, affecting all life on Earth. Concurrently, many infectious diseases have recently emerged or spread into new populations. Mounting evidence suggests that global change-including climate change, land-use change, urbanization, and global movement of individuals, species, and goods-may be accelerating disease emergence by reshaping ecological systems in concert with socioeconomic factors. Here, we review insights, approaches, and mechanisms by which global change drives disease emergence from a disease ecology perspective. We aim to spur more interdisciplinary collaboration with economists and identification of more effective and sustainable interventions to prevent disease emergence. While almost all infectious diseases change in response to global change, the mechanisms and directions of these effects are system specific, requiring new, integrated approaches to disease control that recognize linkages between environmental and economic sustainability and human and planetary health.
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Affiliation(s)
- Nicole Nova
- Department of Biology, Stanford University, Stanford, California, USA
| | - Tejas S Athni
- Department of Biology, Stanford University, Stanford, California, USA
| | - Marissa L Childs
- Emmett Interdisciplinary Program in Environment and Resources, Stanford University, Stanford, California, USA
| | - Lisa Mandle
- Department of Biology, Stanford University, Stanford, California, USA
- Natural Capital Project, Stanford University, Stanford, California, USA
- Woods Institute for the Environment, Stanford University, Stanford, California, USA
| | - Erin A Mordecai
- Department of Biology, Stanford University, Stanford, California, USA
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Shaw CL, Kennedy DA. Developing an empirical model for spillover and emergence: Orsay virus host range in Caenorhabditis. Proc Biol Sci 2022; 289:20221165. [PMID: 36126684 PMCID: PMC9489279 DOI: 10.1098/rspb.2022.1165] [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: 06/15/2022] [Accepted: 08/24/2022] [Indexed: 11/20/2022] Open
Abstract
A lack of tractable experimental systems in which to test hypotheses about the ecological and evolutionary drivers of disease spillover and emergence has limited our understanding of these processes. Here we introduce a promising system: Caenorhabditis hosts and Orsay virus, a positive-sense single-stranded RNA virus that naturally infects C. elegans. We assayed species across the Caenorhabditis tree and found Orsay virus susceptibility in 21 of 84 wild strains belonging to 14 of 44 species. Confirming patterns documented in other systems, we detected effects of host phylogeny on susceptibility. We then tested whether susceptible strains were capable of transmitting Orsay virus by transplanting exposed hosts and determining whether they transmitted infection to conspecifics during serial passage. We found no evidence of transmission in 10 strains (virus undetectable after passaging in all replicates), evidence of low-level transmission in 5 strains (virus lost between passage 1 and 5 in at least one replicate) and evidence of sustained transmission in 6 strains (including all three experimental C. elegans strains) in at least one replicate. Transmission was strongly associated with viral amplification in exposed populations. Variation in Orsay virus susceptibility and transmission among Caenorhabditis strains suggests that the system could be powerful for studying spillover and emergence.
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Affiliation(s)
- Clara L. Shaw
- Department of Biology, The Pennsylvania State University, University Park, PA 16802, USA
| | - David A. Kennedy
- Department of Biology, The Pennsylvania State University, University Park, PA 16802, USA
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Mader AD, Waters NA, Kawazu EC, Marvier M, Monnin N, Salkeld DJ. Messaging Should Reflect the Nuanced Relationship between Land Change and Zoonotic Disease Risk. Bioscience 2022; 72:1099-1104. [PMID: 36325104 PMCID: PMC9618275 DOI: 10.1093/biosci/biac075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
A hallmark of the media publicity surrounding COVID-19 has been the message that land change causes zoonotic diseases to spill over from wild animals to humans. The secondary peer-reviewed literature sends a similar message. However, as indicated in the primary peer-reviewed literature, the complexity of interacting variables involved in zoonotic disease spillover makes it unlikely for such a claim to be universally applicable. The secondary peer-reviewed literature and the mainstream media also differ markedly from the primary peer-reviewed literature in their lack of nuance in messaging about the relationship between land change and spillover risk. We advocate accurate, nuanced messaging for the sake of the local communities at greatest risk from zoonotic disease, for the sake of scientific credibility, and so that proportionate attention may be given to other possible drivers of spillover risk.
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Affiliation(s)
- André D Mader
- Institute for Global Environmental Strategies , Hayama, Kanagawa, Japan
| | - Neil A Waters
- University of Tokyo , Kashiwa, Chiba Prefecture, Japan
| | - Erin C Kawazu
- Global Environmental Strategies , Hayama, Kanagawa, Japan
| | | | - Noémie Monnin
- University College London , London, England, United Kingdom
| | - Daniel J Salkeld
- Colorado State University , Fort Collins, Colorado, United States
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Mundis SJ, Harrison S, Pelley D, Durand S, Ryan SJ. Spatiotemporal Environmental Drivers of Eastern Equine Encephalitis Virus in Central Florida: Towards a Predictive Model for a Lethal Disease. JOURNAL OF MEDICAL ENTOMOLOGY 2022; 59:1805-1816. [PMID: 35957606 PMCID: PMC10551852 DOI: 10.1093/jme/tjac113] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Indexed: 06/15/2023]
Abstract
Eastern equine encephalitis virus (EEEV) is a mosquito-borne virus that affects humans and horses, with a high case fatality rate in both species. The virus can be transmitted by several mosquito species and maintained in multiple reservoir hosts, making EEEV dynamics difficult to anticipate. In this study, we identified spatial and temporal factors that precede EEEV detection using sentinel chicken surveillance data from Orange County, Florida, from 2003 to 2017. We first examined the land cover and mosquito species composition associated with sentinel chicken sites. We then fit distributed lag nonlinear models of EEEV detection at the county scale, using monthly temperature, precipitation, and Southern Oscillation Index values, and at the sentinel flock-scale, using remotely sensed temperature and wetness indicators. We found positive associations between the percent wooded wetlands and the count of EEEV detections. We found Culiseta melanura (Diptera: Culicidae) were more abundant at positive sites in winter and summer, but Coquillettidia perturbans (Walker) were more abundant at positive sites in spring. In the county-wide model, precipitation, temperature, and Southern Oscillation Index values at lags of two, nine, and twelve months were significant, respectively, while temperature and wetness were significant at lags of eight and six months in the flock-specific models.
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Affiliation(s)
- Stephanie J Mundis
- Department of Geography, University of Florida, Gainesville, FL, USA
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, USA
| | | | - Dave Pelley
- Orange County Mosquito Control, Orlando, FL, USA
| | - Susan Durand
- Orange County Mosquito Control, Orlando, FL, USA
| | - Sadie J Ryan
- Department of Geography, University of Florida, Gainesville, FL, USA
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, USA
- School of Life Sciences, University of KwaZulu-Natal, Durban, South Africa
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31
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Wells K, Flynn R. Managing host-parasite interactions in humans and wildlife in times of global change. Parasitol Res 2022; 121:3063-3071. [PMID: 36066742 PMCID: PMC9446624 DOI: 10.1007/s00436-022-07649-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 08/30/2022] [Indexed: 11/24/2022]
Abstract
Global change in the Anthropocene has modified the environment of almost any species on earth, be it through climate change, habitat modifications, pollution, human intervention in the form of mass drug administration (MDA), or vaccination. This can have far-reaching consequences on all organisational levels of life, including eco-physiological stress at the cell and organism level, individual fitness and behaviour, population viability, species interactions and biodiversity. Host-parasite interactions often require highly adapted strategies by the parasite to survive and reproduce within the host environment and ensure efficient transmission among hosts. Yet, our understanding of the system-level outcomes of the intricate interplay of within host survival and among host parasite spread is in its infancy. We shed light on how global change affects host-parasite interactions at different organisational levels and address challenges and opportunities to work towards better-informed management of parasite control. We argue that global change affects host-parasite interactions in wildlife inhabiting natural environments rather differently than in humans and invasive species that benefit from anthropogenic environments as habitat and more deliberate rather than erratic exposure to therapeutic drugs and other control efforts.
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Affiliation(s)
- Konstans Wells
- Department of Biosciences, Swansea University, Swansea, SA28PP, UK.
| | - Robin Flynn
- Graduate Studies Office, South East Technological University, Cork Road Campus, Waterford, X91 K0EK, Ireland
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Waage J, Grace D, Fèvre EM, McDermott J, Lines J, Wieland B, Naylor NR, Hassell JM, Chan K. Changing food systems and infectious disease risks in low-income and middle-income countries. Lancet Planet Health 2022; 6:e760-e768. [PMID: 36087606 PMCID: PMC9451496 DOI: 10.1016/s2542-5196(22)00116-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 04/08/2022] [Accepted: 04/12/2022] [Indexed: 06/15/2023]
Abstract
The emergence of COVID-19 has drawn the attention of health researchers sharply back to the role that food systems can play in generating human disease burden. But emerging pandemic threats are just one dimension of the complex relationship between agriculture and infectious disease, which is evolving rapidly, particularly in low-income and middle-income countries (LMICs) that are undergoing rapid food system transformation. We examine this changing relationship through four current disease issues. The first is that greater investment in irrigation to improve national food security raises risks of vector-borne disease, which we illustrate with the case of malaria and rice in Africa. The second is that the intensification of livestock production in LMICs brings risks of zoonotic diseases like cysticercosis, which need to be managed as consumer demand grows. The third is that the nutritional benefits of increasing supply of fresh vegetables, fruit, and animal-sourced foods in markets in LMICs pose new food-borne disease risks, which might undermine supply. The fourth issue is that the potential human health risks of antimicrobial resistance from agriculture are intensified by changing livestock production. For each disease issue, we explore how food system transition is creating unintentional infectious disease risks, and what solutions might exist for these problems. We show that successfully addressing all of these challenges requires a coordinated approach between public health and agricultural sectors, recognising the costs and benefits of disease-reducing interventions to both, and seeking win-win solutions that are most likely to attract broad policy support and uptake by food systems.
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Affiliation(s)
- Jeff Waage
- Department of Disease Control, London School of Hygiene & Tropical Medicine, London, UK.
| | - Delia Grace
- International Livestock Research Institute, Nairobi, Kenya; Natural Resources Institute, University of Greenwich, London, UK
| | - Eric M Fèvre
- International Livestock Research Institute, Nairobi, Kenya; Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, UK
| | - John McDermott
- International Food Policy Research Institute, Washington, DC, USA
| | - Jo Lines
- Department of Disease Control, London School of Hygiene & Tropical Medicine, London, UK
| | - Barbara Wieland
- International Livestock Research Institute, Nairobi, Kenya; Institute of Virology and Immunology, Mittelhäusern, Switzerland; Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland
| | - Nichola R Naylor
- Department of Disease Control, London School of Hygiene & Tropical Medicine, London, UK
| | - James M Hassell
- International Livestock Research Institute, Nairobi, Kenya; Smithsonian National Zoo and Conservation Biology Institute, Washington, DC, USA
| | - Kallista Chan
- Department of Disease Control, London School of Hygiene & Tropical Medicine, London, UK
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33
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Hopkins SR, Lafferty KD, Wood CL, Olson SH, Buck JC, De Leo GA, Fiorella KJ, Fornberg JL, Garchitorena A, Jones IJ, Kuris AM, Kwong LH, LeBoa C, Leon AE, Lund AJ, MacDonald AJ, Metz DCG, Nova N, Peel AJ, Remais JV, Stewart Merrill TE, Wilson M, Bonds MH, Dobson AP, Lopez Carr D, Howard ME, Mandle L, Sokolow SH. Evidence gaps and diversity among potential win-win solutions for conservation and human infectious disease control. Lancet Planet Health 2022; 6:e694-e705. [PMID: 35932789 PMCID: PMC9364143 DOI: 10.1016/s2542-5196(22)00148-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 05/21/2022] [Accepted: 06/14/2022] [Indexed: 06/08/2023]
Abstract
As sustainable development practitioners have worked to "ensure healthy lives and promote well-being for all" and "conserve life on land and below water", what progress has been made with win-win interventions that reduce human infectious disease burdens while advancing conservation goals? Using a systematic literature review, we identified 46 proposed solutions, which we then investigated individually using targeted literature reviews. The proposed solutions addressed diverse conservation threats and human infectious diseases, and thus, the proposed interventions varied in scale, costs, and impacts. Some potential solutions had medium-quality to high-quality evidence for previous success in achieving proposed impacts in one or both sectors. However, there were notable evidence gaps within and among solutions, highlighting opportunities for further research and adaptive implementation. Stakeholders seeking win-win interventions can explore this Review and an online database to find and tailor a relevant solution or brainstorm new solutions.
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Affiliation(s)
- Skylar R Hopkins
- Department of Applied Ecology, North Carolina State University, Raleigh, NC, USA; National Center for Ecological Analysis and Synthesis, Santa Barbara, CA, USA.
| | - Kevin D Lafferty
- Western Ecological Research Center, US Geological Survey at Marine Science Institute, University of California, Santa Barbara, CA, USA
| | - Chelsea L Wood
- School of Aquatic and Fishery Sciences, University of Washington, Seattle, WA, USA
| | - Sarah H Olson
- Wildlife Conservation Society, Health Program, Bronx, NY, USA
| | - Julia C Buck
- Department of Biology and Marine Biology, University of North Carolina Wilmington, Wilmington, NC, USA
| | - Giulio A De Leo
- Hopkins Marine Station, Stanford University, Pacific Grove, CA, USA
| | - Kathryn J Fiorella
- Department of Population Medicine and Diagnostic Sciences and Master of Public Health Program, Cornell University, Ithaca, NY, USA
| | - Johanna L Fornberg
- Department of Ecology, Evolution, and Marine Biology, University of California, Santa Barbara, CA, USA
| | - Andres Garchitorena
- MIVEGEC, Université Montpellier, Centre National de la Recherche Scientifique, Institut de Recherche pour le Développement, Montpellier, France; NGO PIVOT, Ranomafana, Madagascar
| | - Isabel J Jones
- Hopkins Marine Station, Stanford University, Pacific Grove, CA, USA
| | - Armand M Kuris
- Department of Ecology, Evolution, and Marine Biology, University of California, Santa Barbara, CA, USA
| | - Laura H Kwong
- Woods Institute for the Environment, Stanford University, Stanford, CA, USA
| | | | - Ariel E Leon
- Department of Biological Sciences, Virginia Tech, Blacksburg, VA, USA; US Geological Survey, National Wildlife Health Center, Madison, WI, USA
| | - Andrea J Lund
- Department of Environmental and Occupational Health, University of Colorado School of Public Health, Aurora, CO, USA
| | - Andrew J MacDonald
- Bren School of Environmental Science and Management, University of California, Santa Barbara, CA, USA
| | - Daniel C G Metz
- Scripps Institution of Oceanography, University of California, San Diego, CA, USA
| | - Nicole Nova
- Department of Biology, Stanford University, Stanford, CA, USA
| | - Alison J Peel
- Centre for Planetary Health and Food Security, Griffith University, Nathan, QLD, Australia
| | - Justin V Remais
- Division of Environmental Health Sciences, University of California, Berkeley, CA, USA
| | | | - Maya Wilson
- Department of Biological Sciences, Virginia Tech, Blacksburg, VA, USA
| | - Matthew H Bonds
- Department of Global Health and Social Medicine, Harvard Medical School, Boston, MA, USA
| | - Andrew P Dobson
- Ecology and Evolutionary Biology, Princeton University, Princeton, NJ, USA
| | - David Lopez Carr
- Department of Geography, University of California, Santa Barbara, CA, USA
| | - Meghan E Howard
- Department of Biology, Stanford University, Stanford, CA, USA
| | - Lisa Mandle
- Woods Institute for the Environment, Stanford University, Stanford, CA, USA
| | - Susanne H Sokolow
- Woods Institute for the Environment, Stanford University, Stanford, CA, USA
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Disturbance Ecology Meets Bovine Tuberculosis (bTB) Epidemiology: A Before-and-After Study on the Association between Forest Clearfelling and bTB Herd Risk in Cattle Herds. Pathogens 2022; 11:pathogens11070807. [PMID: 35890051 PMCID: PMC9321662 DOI: 10.3390/pathogens11070807] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 07/12/2022] [Accepted: 07/14/2022] [Indexed: 02/01/2023] Open
Abstract
Disturbance ecology refers to the study of discrete processes that disrupt the structure or dynamics of an ecosystem. Such processes can, therefore, affect wildlife species ecology, including those that are important pathogen hosts. We report on an observational before-and-after study on the association between forest clearfelling and bovine tuberculosis (bTB) herd risk in cattle herds, an episystem where badgers (Meles meles) are the primary wildlife spillover host. The study design compared herd bTB breakdown risk for a period of 1 year prior to and after exposure to clearfelling across Ireland at sites cut in 2015–2017. The percent of herds positive rose from 3.47% prior to clearfelling to 4.08% after exposure. After controlling for confounders (e.g., herd size, herd type), we found that cattle herds significantly increased their odds of experiencing a bTB breakdown by 1.2-times (95%CIs: 1.07–1.36) up to 1 year after a clearfell risk period. Disturbance ecology of wildlife reservoirs is an understudied area with regards to shared endemic pathogens. Epidemiological observational studies are the first step in building an evidence base to assess the impact of such disturbance events; however, such studies are limited in inferring the mechanism for any changes in risk observed. The current cohort study suggested an association between clearfelling and bTB risk, which we speculate could relate to wildlife disturbance affecting pathogen spillback to cattle, though the study design precludes causal inference. Further studies are required. However, ultimately, integration of epidemiology with wildlife ecology will be important for understanding the underlying mechanisms involved, and to derive suitable effective management proposals, if required.
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Manlove K, Wilber M, White L, Bastille‐Rousseau G, Yang A, Gilbertson MLJ, Craft ME, Cross PC, Wittemyer G, Pepin KM. Defining an epidemiological landscape that connects movement ecology to pathogen transmission and pace‐of‐life. Ecol Lett 2022; 25:1760-1782. [DOI: 10.1111/ele.14032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/21/2022] [Accepted: 05/03/2022] [Indexed: 12/20/2022]
Affiliation(s)
- Kezia Manlove
- Department of Wildland Resources and Ecology Center Utah State University Logan Utah USA
| | - Mark Wilber
- Department of Forestry, Wildlife, and Fisheries University of Tennessee Institute of Agriculture Knoxville Tennessee USA
| | - Lauren White
- National Socio‐Environmental Synthesis Center University of Maryland Annapolis Maryland USA
| | | | - Anni Yang
- Department of Fish, Wildlife, and Conservation Biology Colorado State University Fort Collins Colorado USA
- National Wildlife Research Center, United States Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services National Wildlife Research Center Fort Collins Colorado USA
- Department of Geography and Environmental Sustainability University of Oklahoma Norman Oklahoma USA
| | - Marie L. J. Gilbertson
- Department of Veterinary Population Medicine University of Minnesota St. Paul Minnesota USA
- Wisconsin Cooperative Wildlife Research Unit, Department of Forest and Wildlife Ecology University of Wisconsin–Madison Madison Wisconsin USA
| | - Meggan E. Craft
- Department of Ecology, Evolution, and Behavior University of Minnesota St. Paul Minnesota USA
| | - Paul C. Cross
- U.S. Geological Survey Northern Rocky Mountain Science Center Bozeman Montana USA
| | - George Wittemyer
- Department of Fish, Wildlife, and Conservation Biology Colorado State University Fort Collins Colorado USA
| | - Kim M. Pepin
- National Wildlife Research Center, United States Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services National Wildlife Research Center Fort Collins Colorado USA
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36
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Ma Z(S, Zhang YP. Ecology of Human Medical Enterprises: From Disease Ecology of Zoonoses, Cancer Ecology Through to Medical Ecology of Human Microbiomes. Front Ecol Evol 2022. [DOI: 10.3389/fevo.2022.879130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
In nature, the interaction between pathogens and their hosts is only one of a handful of interaction relationships between species, including parasitism, predation, competition, symbiosis, commensalism, and among others. From a non-anthropocentric view, parasitism has relatively fewer essential differences from the other relationships; but from an anthropocentric view, parasitism and predation against humans and their well-beings and belongings are frequently related to heinous diseases. Specifically, treating (managing) diseases of humans, crops and forests, pets, livestock, and wildlife constitute the so-termed medical enterprises (sciences and technologies) humans endeavor in biomedicine and clinical medicine, veterinary, plant protection, and wildlife conservation. In recent years, the significance of ecological science to medicines has received rising attentions, and the emergence and pandemic of COVID-19 appear accelerating the trend. The facts that diseases are simply one of the fundamental ecological relationships in nature, and the study of the relationships between species and their environment is a core mission of ecology highlight the critical importance of ecological science. Nevertheless, current studies on the ecology of medical enterprises are highly fragmented. Here, we (i) conceptually overview the fields of disease ecology of wildlife, cancer ecology and evolution, medical ecology of human microbiome-associated diseases and infectious diseases, and integrated pest management of crops and forests, across major medical enterprises. (ii) Explore the necessity and feasibility for a unified medical ecology that spans biomedicine, clinical medicine, veterinary, crop (forest and wildlife) protection, and biodiversity conservation. (iii) Suggest that a unified medical ecology of human diseases is both necessary and feasible, but laissez-faire terminologies in other human medical enterprises may be preferred. (iv) Suggest that the evo-eco paradigm for cancer research can play a similar role of evo-devo in evolutionary developmental biology. (v) Summarized 40 key ecological principles/theories in current disease-, cancer-, and medical-ecology literatures. (vi) Identified key cross-disciplinary discovery fields for medical/disease ecology in coming decade including bioinformatics and computational ecology, single cell ecology, theoretical ecology, complexity science, and the integrated studies of ecology and evolution. Finally, deep understanding of medical ecology is of obvious importance for the safety of human beings and perhaps for all living things on the planet.
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Bartlett H, Holmes MA, Petrovan SO, Williams DR, Wood JLN, Balmford A. Understanding the relative risks of zoonosis emergence under contrasting approaches to meeting livestock product demand. ROYAL SOCIETY OPEN SCIENCE 2022; 9:211573. [PMID: 35754996 PMCID: PMC9214290 DOI: 10.1098/rsos.211573] [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: 10/01/2021] [Accepted: 05/30/2022] [Indexed: 05/03/2023]
Abstract
It has been argued that intensive livestock farming increases the risk of pandemics of zoonotic origin because of long-distance livestock movements, high livestock densities, poor animal health and welfare, low disease resistance and low genetic diversity. However, data on many of these factors are limited, and analyses to date typically ignore how land use affects emerging infectious disease (EID) risks, and how these risks might vary across systems with different yields (production per unit area). Extensive, lower yielding practices typically involve larger livestock populations, poorer biosecurity, more workers and more area under farming, resulting in different, but not necessarily lower, EID risks than higher yielding systems producing the same amount of food. To move this discussion forward, we review the evidence for each of the factors that potentially link livestock production practices to EID risk. We explore how each factor might vary with yield and consider how overall risks might differ across a mix of production systems chosen to reflect in broad terms the current livestock sector at a global level and in hypothetical low- and high-yield systems matched by overall level of production. We identify significant knowledge gaps for all potential risk factors and argue these shortfalls in understanding mean we cannot currently determine whether lower or higher yielding systems would better limit the risk of future pandemics.
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Affiliation(s)
- Harriet Bartlett
- Department of Zoology, University of Cambridge, Cambridge, UK
- Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - Mark A. Holmes
- Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - Silviu O. Petrovan
- Department of Zoology, University of Cambridge, Cambridge, UK
- BioRISC (Biosecurity Research Initiative at St Catharine's), St Catharine's College, Cambridge, UK
| | - David R. Williams
- Sustainability Research Institute, School of Earth and Environment, University of Leeds, Leeds, UK
| | - James L. N. Wood
- Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - Andrew Balmford
- Department of Zoology, University of Cambridge, Cambridge, UK
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38
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Herrero-Cófreces S, Mougeot F, Sironen T, Meyer H, Rodríguez-Pastor R, Luque-Larena JJ. Viral Zoonoses in Small Wild Mammals and Detection of Hantavirus, Spain. Emerg Infect Dis 2022; 28:1294-1296. [PMID: 35608945 PMCID: PMC9155867 DOI: 10.3201/eid2806.212508] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
We screened 526 wild small mammals for zoonotic viruses in northwest Spain and found hantavirus in common voles (Microtus arvalis) (1.5%) and high prevalence (48%) of orthopoxvirus among western Mediterranean mice (Mus spretus). We also detected arenavirus among small mammals. These findings suggest novel risks for viral transmission in the region.
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39
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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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40
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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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41
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Mathavarajah S, Melin A, Dellaire G. SARS-CoV-2 and wastewater: What does it mean for non-human primates? Am J Primatol 2022; 84:e23340. [PMID: 34662463 PMCID: PMC8646409 DOI: 10.1002/ajp.23340] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Revised: 09/15/2021] [Accepted: 09/30/2021] [Indexed: 02/04/2023]
Abstract
In most of our lifetimes, we have not faced a global pandemic such as the novel coronavirus disease 2019. The world has changed as a result. However, it is not only humans who are affected by a pandemic of this scale. Our closest relatives, the non-human primates (NHPs) who encounter researchers, sanctuary/zoo employees, and tourists, are also potentially at risk of contracting the virus from humans due to similar genetic susceptibility. "Anthropozoonosis"-the transmission of diseases from humans to other species-has occurred historically, resulting in infection of NHPs with human pathogens that have led to disastrous outbreaks. Recent studies have assessed the susceptibility of NHPs and predict that catarrhine primates and some lemurs are potentially highly susceptible to infection by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus. There is accumulating evidence that a new factor to consider with the spread of the virus is fecal-oral transmission. The virus has been detected in the watersheds of countries with underdeveloped infrastructure where raw sewage enters the environment directly without processing. This may expose NHPs, and other animals, to SARS-CoV-2 through wastewater contact. Here, we address these concerns and discuss recent evidence. Overall, we suggest that the risk of transmission of SARS-CoV-2 via wastewater is low. Nonetheless, tracking of viral RNA in wastewater does provide a unique testing approach to help protect NHPs at zoos and wildlife sanctuaries. A One Health approach going forward is perhaps the best way to protect these animals from a novel virus, the same way that we would protect ourselves.
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Affiliation(s)
| | - Amanda Melin
- Department of Anthropology and ArchaeologyUniversity of CalgaryCalgaryAlbertaCanada
| | - Graham Dellaire
- Department of Pathology, Faculty of MedicineDalhousie UniversityHalifaxNova ScotiaCanada
- Department of Biochemistry and Molecular Biology, Faculty of MedicineDalhousie UniversityHalifaxNova ScotiaCanada
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42
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Barbier EB. The Policy Implications of the Dasgupta Review: Land Use Change and Biodiversity: Invited Paper for the Special Issue on "The Economics of Biodiversity: Building on the Dasgupta Review" in Environmental and Resource Economics. ENVIRONMENTAL & RESOURCE ECONOMICS 2022; 83:911-935. [PMID: 35463917 PMCID: PMC9017078 DOI: 10.1007/s10640-022-00658-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 02/06/2022] [Indexed: 06/14/2023]
Abstract
The "Dasgupta Review" of the economics of biodiversity (Dasgupta 2021) identifies many factors that threaten the ecological sustainability of our economies. This article examines how two policy failures - the underpricing and underfunding of nature - influence global land use change and terrestrial biodiversity loss. If natural areas are priced too cheaply, then converting them to agriculture, forestry and other land uses is less costly than protecting or preserving habitats. Underfunding nature further reduces the incentives for conservation and restoration. The current global funding gap for biodiversity is just under $900 billion annually, and especially impacts developing countries. Ending the underpricing of natural landscape requires removing environmentally harmful subsidies and adopting policies that place an additional cost on the use of land and natural resources or on pollution. Overcoming the funding gap means expanding public and private sources of financing nature, particularly for poorer countries, such as biodiversity offsets, payments for ecosystem services, debt-for-nature swaps, green bonds, sustainable supply chains and international environmental agreements. Using the example of peatlands, the article shows how such a comprehensive global strategy can be built.
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Affiliation(s)
- Edward B. Barbier
- Department of Economics, Colorado State University, 80523-1771 Fort Collins, CO USA
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43
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Biological invasions facilitate zoonotic disease emergences. Nat Commun 2022; 13:1762. [PMID: 35365665 PMCID: PMC8975888 DOI: 10.1038/s41467-022-29378-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 03/14/2022] [Indexed: 12/27/2022] Open
Abstract
Outbreaks of zoonotic diseases are accelerating at an unprecedented rate in the current era of globalization, with substantial impacts on the global economy, public health, and sustainability. Alien species invasions have been hypothesized to be important to zoonotic diseases by introducing both existing and novel pathogens to invaded ranges. However, few studies have evaluated the generality of alien species facilitating zoonoses across multiple host and parasite taxa worldwide. Here, we simultaneously quantify the role of 795 established alien hosts on the 10,473 zoonosis events across the globe since the 14th century. We observe an average of ~5.9 zoonoses per alien zoonotic host. After accounting for species-, disease-, and geographic-level sampling biases, spatial autocorrelation, and the lack of independence of zoonosis events, we find that the number of zoonosis events increase with the richness of alien zoonotic hosts, both across space and through time. We also detect positive associations between the number of zoonosis events per unit space and climate change, land-use change, biodiversity loss, human population density, and PubMed citations. These findings suggest that alien host introductions have likely contributed to zoonosis emergences throughout recent history and that minimizing future zoonotic host species introductions could have global health benefits. Alien species invasions are thought to be important to zoonotic diseases through the introduction of both existing and novel pathogens to invaded ranges. Using data from 795 established alien animals and 10,473 zoonosis events worldwide, this study examines the role of alien zoonotic hosts on zoonosis emergences after accounting for climate, propagule pressure, global change and sampling bias.
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44
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Yellow Fever: Origin, Epidemiology, Preventive Strategies and Future Prospects. Vaccines (Basel) 2022; 10:vaccines10030372. [PMID: 35335004 PMCID: PMC8955180 DOI: 10.3390/vaccines10030372] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [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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45
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Bernstein AS, Ando AW, Loch-Temzelides T, Vale MM, Li BV, Li H, Busch J, Chapman CA, Kinnaird M, Nowak K, Castro MC, Zambrana-Torrelio C, Ahumada JA, Xiao L, Roehrdanz P, Kaufman L, Hannah L, Daszak P, Pimm SL, Dobson AP. The costs and benefits of primary prevention of zoonotic pandemics. SCIENCE ADVANCES 2022; 8:eabl4183. [PMID: 35119921 PMCID: PMC8816336 DOI: 10.1126/sciadv.abl4183] [Citation(s) in RCA: 77] [Impact Index Per Article: 38.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
The lives lost and economic costs of viral zoonotic pandemics have steadily increased over the past century. Prominent policymakers have promoted plans that argue the best ways to address future pandemic catastrophes should entail, "detecting and containing emerging zoonotic threats." In other words, we should take actions only after humans get sick. We sharply disagree. Humans have extensive contact with wildlife known to harbor vast numbers of viruses, many of which have not yet spilled into humans. We compute the annualized damages from emerging viral zoonoses. We explore three practical actions to minimize the impact of future pandemics: better surveillance of pathogen spillover and development of global databases of virus genomics and serology, better management of wildlife trade, and substantial reduction of deforestation. We find that these primary pandemic prevention actions cost less than 1/20th the value of lives lost each year to emerging viral zoonoses and have substantial cobenefits.
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Affiliation(s)
- Aaron S. Bernstein
- Boston Children’s Hospital and the Center for Climate, Health and the Global Environment, Boston, MA 02115, USA
- Corresponding author. (A.S.B.); (S.L.P.); (A.P.D.)
| | - Amy W. Ando
- Department of Agricultural and Consumer Economics, University of Illinois Urbana-Champaign, Champaign, IL 61801, USA
- Resources for the Future, 1616 P Street NW, Washington, DC 20036, USA
| | - Ted Loch-Temzelides
- Department of Economics and Baker Institute for Public Policy, Rice University, Houston, TX 77005, USA
| | - Mariana M. Vale
- Ecology Department, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- National Institute of Science and Technology in Ecology, Evolution and Biodiversity Conservation, Goiania, Brazil
| | - Binbin V. Li
- Environment Research Center, Duke Kunshan University, Kunshan, Jiangsu Province 215317, China
- Nicholas School of the Environment, Duke University, Durham, NC 27708, USA
| | - Hongying Li
- EcoHealth Alliance, 520 Eighth Avenue, New York, NY 10018, USA
| | - Jonah Busch
- Moore Center for Science, Conservation International, Arlington, VA 22202, USA
| | - Colin A. Chapman
- Wilson Center, 1300 Pennsylvania Avenue NW, Washington, DC 20004, USA
- Center for the Advanced Study of Human Paleobiology, George Washington University, Washington, DC 20004, USA
- School of Life Sciences, University of KwaZulu-Natal, Pietermaritzburg, South Africa
- Shaanxi Key Laboratory for Animal Conservation, Northwest University, Xi’an, China
| | - Margaret Kinnaird
- Practice Leader, Wildlife, WWF International, The Mvuli, Mvuli Road, Westlands, Kenya
| | - Katarzyna Nowak
- The Safina Center, 80 North Country Road, Setauket, NY 11733, USA
| | - Marcia C. Castro
- Harvard T.H. Chan School of Public Health, Boston, MA 02215, USA
| | | | - Jorge A. Ahumada
- Moore Center for Science, Conservation International, Arlington, VA 22202, USA
| | - Lingyun Xiao
- Department of Health and Environmental Sciences, Xi’an Jiaotong-Liverpool University, Suzhou, Jiangsu Province 215123, China
| | - Patrick Roehrdanz
- Moore Center for Science, Conservation International, Arlington, VA 22202, USA
| | - Les Kaufman
- Department of Biology and Pardee Center for the Study of the Longer-Range Future, Boston University, Boston, MA 02215, USA
| | - Lee Hannah
- Moore Center for Science, Conservation International, Arlington, VA 22202, USA
| | - Peter Daszak
- EcoHealth Alliance, 520 Eighth Avenue, New York, NY 10018, USA
| | - Stuart L. Pimm
- Nicholas School of the Environment, Duke University, Durham, NC 27708, USA
- Corresponding author. (A.S.B.); (S.L.P.); (A.P.D.)
| | - Andrew P. Dobson
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA
- Santa Fe Institute, Hyde Park Road, Santa Fe, NM 87501, USA
- Corresponding author. (A.S.B.); (S.L.P.); (A.P.D.)
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46
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Blanco E, Baier A, Holzmeister F, Jaber-Lopez T, Struwe N. Substitution of social sustainability concerns under the Covid-19 pandemic. ECOLOGICAL ECONOMICS : THE JOURNAL OF THE INTERNATIONAL SOCIETY FOR ECOLOGICAL ECONOMICS 2022; 192:107259. [PMID: 34720412 PMCID: PMC8548029 DOI: 10.1016/j.ecolecon.2021.107259] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 08/30/2021] [Accepted: 10/11/2021] [Indexed: 06/13/2023]
Abstract
Think tanks and political leaders have raised concerns about the implications that the Covid-19 response and reconstruction might have on other social objectives that were setting the international agenda before the Covid-19 pandemic. We present evidence for eight consecutive weeks during April-May 2020 for Austria, testing the extent to which Covid-19 concerns substitute other social concerns such as the climate crisis or the protection of vulnerable sectors of the society. We measure behavior in a simple donation task where participants receive €3 that they can distribute between themselves and a list of charitable organizations, which vary between treatments. We consider initially a list of eight charities, including a broad set of social concerns. Results show that introducing the WHO Covid-19 Solidarity Response Fund significantly reduces the sum of donations to the original eight charities. This derives from two effects: First, introducing the Covid-19 Solidarity Response Fund does not significantly change aggregate donations. Second, results point to a high support to the WHO Covid-19 Fund. Overall, our results indicate that donations to diverse social concerns are partially substituted by donations to the Covid-19 fund; yet, this substitution does not fully replace all other social concerns. Results are robust to a 10-fold increase in endowment, with decisions made over €30.
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Affiliation(s)
| | | | | | - Tarek Jaber-Lopez
- Economix, Université Paris Lumière, Univ Paris Nanterre, Centre National Recherche Scientifique, Nanterre, France
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47
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Reaser JK, Hunt BE, Ruiz‐Aravena M, Tabor GM, Patz JA, Becker D, Locke H, Hudson PJ, Plowright RK. Fostering landscape immunity to protect human health: A science‐based rationale for shifting conservation policy paradigms. Conserv Lett 2022. [DOI: 10.1111/conl.12869] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Affiliation(s)
- Jamie K. Reaser
- Center for Large Landscape Conservation Bozeman Montana USA
- Department of Environmental Science and Policy George Mason University Fairfax Virginia USA
| | - Brooklin E. Hunt
- Department of Microbiology and Cell Biology Montana State University Bozeman Montana USA
| | - Manuel Ruiz‐Aravena
- Department of Microbiology and Cell Biology Montana State University Bozeman Montana USA
| | - Gary M. Tabor
- Center for Large Landscape Conservation Bozeman Montana USA
| | - Jonathan A. Patz
- Global Health Institute, Nelson Institute, and the Department of Population Health Sciences University of Wisconsin‐Madison Madison Wisconsin USA
| | - Daniel Becker
- Department of Biology University of Oklahoma Norman Oklahoma USA
| | - Harvey Locke
- Beyond the Aichi Targets Task Force IUCN World Commission on Protected Areas, and Yellowstone to Yukon Conservation Initiative Banff Alberta Canada
| | - Peter J. Hudson
- Department of Biology Pennsylvania State University State College Pennsylvania USA
| | - Raina K. Plowright
- Department of Microbiology and Cell Biology Montana State University Bozeman Montana USA
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48
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Abstract
Social and political policy, human activities, and environmental change affect the ways in which microbial communities assemble and interact with people. These factors determine how different social groups are exposed to beneficial and/or harmful microorganisms, meaning microbial exposure has an important socioecological justice context. Therefore, greater consideration of microbial exposure and social equity in research, planning, and policy is imperative. Here, we identify 20 research questions considered fundamentally important to promoting equitable exposure to beneficial microorganisms, along with safeguarding resilient societies and ecosystems. The 20 research questions we identified span seven broad themes, including the following: (i) sociocultural interactions; (ii) Indigenous community health and well-being; (iii) humans, urban ecosystems, and environmental processes; (iv) human psychology and mental health; (v) microbiomes and infectious diseases; (vi) human health and food security; and (vii) microbiome-related planning, policy, and outreach. Our goal was to summarize this growing field and to stimulate impactful research avenues while providing focus for funders and policymakers.
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49
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Roberts M, Dobson A, Restif O, Wells K. Challenges in modelling the dynamics of infectious diseases at the wildlife-human interface. Epidemics 2021; 37:100523. [PMID: 34856500 PMCID: PMC8603269 DOI: 10.1016/j.epidem.2021.100523] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 11/04/2021] [Accepted: 11/08/2021] [Indexed: 02/01/2023] Open
Abstract
The Covid-19 pandemic is of zoonotic origin, and many other emerging infections of humans have their origin in an animal host population. We review the challenges involved in modelling the dynamics of wildlife–human interfaces governing infectious disease emergence and spread. We argue that we need a better understanding of the dynamic nature of such interfaces, the underpinning diversity of pathogens and host–pathogen association networks, and the scales and frequencies at which environmental conditions enable spillover and host shifting from animals to humans to occur. The major drivers of the emergence of zoonoses are anthropogenic, including the global change in climate and land use. These, and other ecological processes pose challenges that must be overcome to counterbalance pandemic risk. The development of more detailed and nuanced models will provide better tools for analysing and understanding infectious disease emergence and spread.
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Affiliation(s)
- Mick Roberts
- School of Natural & Computational Sciences, New Zealand Institute for Advanced Study and the Infectious Disease Research Centre, Massey University, Private Bag 102 904, North Shore Mail Centre, Auckland, New Zealand.
| | - Andrew Dobson
- EEB, Eno Hall, Princeton University, Princeton, NJ 08544, USA; Santa Fe Institute, Hyde Park Rd., Santa Fe, NM, USA
| | - Olivier Restif
- Department of Veterinary Medicine, University of Cambridge, Madingley Road, Cambridge CB3 0ES, UK
| | - Konstans Wells
- Department of Biosciences, Swansea University, Swansea SA2 8PP, UK
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50
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Lawler OK, Allan HL, Baxter PWJ, Castagnino R, Tor MC, Dann LE, Hungerford J, Karmacharya D, Lloyd TJ, López-Jara MJ, Massie GN, Novera J, Rogers AM, Kark S. The COVID-19 pandemic is intricately linked to biodiversity loss and ecosystem health. Lancet Planet Health 2021; 5:e840-e850. [PMID: 34774124 PMCID: PMC8580505 DOI: 10.1016/s2542-5196(21)00258-8] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 07/28/2021] [Accepted: 09/09/2021] [Indexed: 05/21/2023]
Abstract
The ongoing COVID-19 pandemic, caused by zoonotic SARS-CoV-2, has important links to biodiversity loss and ecosystem health. These links range from anthropogenic activities driving zoonotic disease emergence and extend to the pandemic affecting biodiversity conservation, environmental policy, ecosystem services, and multiple conservation facets. Crucially, such effects can exacerbate the initial drivers, resulting in feedback loops that are likely to promote future zoonotic disease outbreaks. We explore these feedback loops and relationships, highlighting known and potential zoonotic disease emergence drivers (eg, land-use change, intensive livestock production, wildlife trade, and climate change), and discuss direct and indirect effects of the ongoing pandemic on biodiversity loss and ecosystem health. We stress that responses to COVID-19 must include actions aimed at safeguarding biodiversity and ecosystems, in order to avoid future emergence of zoonoses and prevent their wide-ranging effects on human health, economies, and society. Such responses would benefit from adopting a One Health approach, enhancing cross-sector, transboundary communication, as well as from collaboration among multiple actors, promoting planetary and human health.
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Affiliation(s)
- Odette K Lawler
- The Biodiversity Research Group, School of Biological Sciences, Centre for Biodiversity and Conservation Science, The University of Queensland, Brisbane, QLD, Australia
| | - Hannah L Allan
- The Biodiversity Research Group, School of Biological Sciences, Centre for Biodiversity and Conservation Science, The University of Queensland, Brisbane, QLD, Australia
| | - Peter W J Baxter
- The Biodiversity Research Group, School of Biological Sciences, Centre for Biodiversity and Conservation Science, The University of Queensland, Brisbane, QLD, Australia
| | - Romi Castagnino
- The Biodiversity Research Group, School of Biological Sciences, Centre for Biodiversity and Conservation Science, The University of Queensland, Brisbane, QLD, Australia
| | - Marina Corella Tor
- The Biodiversity Research Group, School of Biological Sciences, Centre for Biodiversity and Conservation Science, The University of Queensland, Brisbane, QLD, Australia
| | - Leah E Dann
- The Biodiversity Research Group, School of Biological Sciences, Centre for Biodiversity and Conservation Science, The University of Queensland, Brisbane, QLD, Australia
| | - Joshua Hungerford
- The Biodiversity Research Group, School of Biological Sciences, Centre for Biodiversity and Conservation Science, The University of Queensland, Brisbane, QLD, Australia
| | - Dibesh Karmacharya
- The Biodiversity Research Group, School of Biological Sciences, Centre for Biodiversity and Conservation Science, The University of Queensland, Brisbane, QLD, Australia; Center for Molecular Dynamics Nepal, Kathmandu, Nepal
| | - Thomas J Lloyd
- The Biodiversity Research Group, School of Biological Sciences, Centre for Biodiversity and Conservation Science, The University of Queensland, Brisbane, QLD, Australia; School of Earth and Environmental Sciences, The University of Queensland, Brisbane, QLD, Australia
| | - María José López-Jara
- The Biodiversity Research Group, School of Biological Sciences, Centre for Biodiversity and Conservation Science, The University of Queensland, Brisbane, QLD, Australia; School of Earth and Environmental Sciences, The University of Queensland, Brisbane, QLD, Australia
| | - Gloeta N Massie
- The Biodiversity Research Group, School of Biological Sciences, Centre for Biodiversity and Conservation Science, The University of Queensland, Brisbane, QLD, Australia
| | - Junior Novera
- The Biodiversity Research Group, School of Biological Sciences, Centre for Biodiversity and Conservation Science, The University of Queensland, Brisbane, QLD, Australia
| | - Andrew M Rogers
- The Biodiversity Research Group, School of Biological Sciences, Centre for Biodiversity and Conservation Science, The University of Queensland, Brisbane, QLD, Australia
| | - Salit Kark
- The Biodiversity Research Group, School of Biological Sciences, Centre for Biodiversity and Conservation Science, The University of Queensland, Brisbane, QLD, Australia.
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