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Shrestha SP, Chaisowwong W, Upadhyaya M, Shrestha SP, Punyapornwithaya V. Cross-correlation and time series analysis of rabies in different animal species in Nepal from 2005 to 2018. Heliyon 2024; 10:e25773. [PMID: 38356558 PMCID: PMC10864965 DOI: 10.1016/j.heliyon.2024.e25773] [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: 04/10/2023] [Revised: 01/29/2024] [Accepted: 02/01/2024] [Indexed: 02/16/2024] Open
Abstract
Rabies is a fatal zoonotic disease, resulting in human and livestock deaths. In Nepal, animal rabies has posed a significant challenge to public health. Because animals are the primary source of rabies in humans, a better understanding of rabies epidemiology in animals is necessary. The objectives of this study were to determine the correlation between rabies occurrences in dogs and livestock animals and to detect the trends and change points of the disease using longitudinal data. The nationwide rabies dataset from 2005 to 2018 was analyzed using cross-correlation, multiple change points, and time series methods. Autoregressive Integrated Moving Average (ARIMA) and Neural Network Autoregression (NNAR) were applied to the time series data. The results show a positive correlation between canine rabies and livestock rabies occurrences. Three significant change points were detected in the time series data, demonstrating that the occurrences were high in the initial years but stabilized before peaking to an upward trend in the final years of the study period. Nonetheless, there was no seasonality pattern in rabies occurrences. The most suitable models were ARIMA (2,1,2) and NNAR (5,1,4) (12). Based on the study findings, both locals and tourists in Nepal need to have enhanced awareness of the potential dangers posed by rabies in canines and livestock. This study offers much-needed insight into the patterns and epidemiology of animal rabies which will be helpful for policymakers in drafting rabies control plans for Nepal.
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Affiliation(s)
- Swochhal Prakash Shrestha
- Veterinary Public Health and Food Safety Centre for Asia Pacific (VPHCAP), Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, 50100, Thailand
| | - Warangkhana Chaisowwong
- Veterinary Public Health and Food Safety Centre for Asia Pacific (VPHCAP), Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, 50100, Thailand
- Department of Veterinary Biosciences and Veterinary Public Health, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, 50100, Thailand
- Research Center for Veterinary Biosciences and Veterinary Public Health, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, 50100, Thailand
| | - Mukul Upadhyaya
- Veterinary Epidemiology Section (VES), Department of Livestock Services (DLS), Kathmandu, 44600, Nepal
| | - Swoyam Prakash Shrestha
- National Animal Science Research Institute (NASRI), Nepal Agricultural Research Council (NARC), Lalitpur, 44700, Nepal
| | - Veerasak Punyapornwithaya
- Veterinary Public Health and Food Safety Centre for Asia Pacific (VPHCAP), Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, 50100, Thailand
- Department of Veterinary Biosciences and Veterinary Public Health, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, 50100, Thailand
- Research Center for Veterinary Biosciences and Veterinary Public Health, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, 50100, Thailand
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Hernández F, Manqui J, González-Acuña D, Beltrami E, Verdugo C, Acosta-Jamett G. Abundance and associated factors of Amblyomma tigrinum (Acari: Ixodidae) infesting wild foxes in north-central Chile. REVISTA BRASILEIRA DE PARASITOLOGIA VETERINARIA = BRAZILIAN JOURNAL OF VETERINARY PARASITOLOGY : ORGAO OFICIAL DO COLEGIO BRASILEIRO DE PARASITOLOGIA VETERINARIA 2023; 32:e008223. [PMID: 37909605 DOI: 10.1590/s1984-29612023062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 08/29/2023] [Indexed: 11/03/2023]
Abstract
The tick Amblyomma tigrinum inhabits areas with diverse climatic conditions, with adult stages parasitizing wild canids, such as chilla (Lycalopex griseus) and culpeo (Lycalopex culpaeus) foxes. We described the infestation loads in wild foxes captured at three sites (periurban, rural and wild) through an anthropization gradient in north-central Chile. We tested whether local-scale environmental and/or individual host factors can predict tick abundance by using negative binomial models. During 2018-2020 (spring and summer), we captured 116 foxes (44 chillas and 72 culpeos), and 102 of them were infested with ticks (87.9%, CI=80.6-93.2%). We collected 996 A. tigrinum adult ticks, estimating a total mean abundance of 8.6±0.8 ticks/host. Periurban and rural foxes harbored greater tick loads than foxes from the wild site (2.34 and 1.71 greater, respectively) while tick abundance in summer decreased by up to 57% compared to spring. Tempered, more humid climate conditions of the periurban site could favor the development and survival of adults A. tigrinum; and ticks may have adopted a quiescent stage or similar survival mechanisms to cope with summer temperature increases related to the ongoing megadrought. Further studies are warranted to understand the underlying factors determining the life cycle of A. tigrinum at larger spatiotemporal scales.
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Affiliation(s)
- Felipe Hernández
- Instituto de Medicina Preventiva Veterinaria, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
- Center for Surveillance and Evolution of Infectious Diseases, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
| | - Jonatan Manqui
- Instituto de Medicina Preventiva Veterinaria, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
- Programa de Magíster en Ecología Aplicada, Facultad de Ciencias, Universidad Austral de Chile, Valdivia, Chile
| | | | - Esperanza Beltrami
- Instituto de Medicina Preventiva Veterinaria, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
| | - Claudio Verdugo
- Center for Surveillance and Evolution of Infectious Diseases, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
- Instituto de Patología Animal, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
| | - Gerardo Acosta-Jamett
- Instituto de Medicina Preventiva Veterinaria, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
- Center for Surveillance and Evolution of Infectious Diseases, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
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Pacini MI, Mazzei M, Sgorbini M, D’Alfonso R, Papini RA. A One-Year Retrospective Analysis of Viral and Parasitological Agents in Wildlife Animals Admitted to a First Aid Hospital. Animals (Basel) 2023; 13:ani13050931. [PMID: 36899788 PMCID: PMC10000059 DOI: 10.3390/ani13050931] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 03/01/2023] [Accepted: 03/02/2023] [Indexed: 03/08/2023] Open
Abstract
This study aimed to provide information on the presence and frequency of viral and parasitic agents in wildlife presented to a Veterinary Teaching Hospital in 2020-2021. Serum and faecal samples were collected from 50 rescued animals (roe deer, fallow deer, foxes, badgers, pine martens, and porcupines) and examined by serological, molecular, and parasitological techniques. Transtracheal wash (TTW) was also collected post-mortem from roe deer. Overall, the results of the different techniques showed infections with the following viral and parasitic agents: Bovine Viral Diarrhea Virus, Small Ruminant Lentiviruses, Kobuvirus, Astrovirus, Canine Adenovirus 1, Bopivirus, gastrointestinal strongyles, Capillaria, Ancylostomatidae, Toxocara canis, Trichuris vulpis, Hymenolepis, Strongyloides, Eimeria, Isospora, Dictyocaulus, Angiostrongylus vasorum, Crenosoma, Dirofilaria immitis, Neospora caninum, Giardia duodenalis, and Cryptosporidium. Sequencing (Tpi locus) identified G. duodenalis sub-assemblages AI and BIV in one roe deer and one porcupine, respectively. Adult lungworms collected from the TTW were identified as Dictyocaulus capreolus (COX1 gene). This is the first molecular identification of G. duodenalis sub-assemblage AI and D. capreolus in roe deer in Italy. These results show a wide presence of pathogens in wild populations and provide an overview of environmental health surveillance.
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Affiliation(s)
- Maria Irene Pacini
- Department of Veterinary Sciences, University of Pisa, Viale delle Piagge 2, 56124 Pisa, Italy
- Correspondence:
| | - Maurizio Mazzei
- Department of Veterinary Sciences, University of Pisa, Viale delle Piagge 2, 56124 Pisa, Italy
| | - Micaela Sgorbini
- Department of Veterinary Sciences, University of Pisa, Viale delle Piagge 2, 56124 Pisa, Italy
| | - Rossella D’Alfonso
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Roberto Amerigo Papini
- Department of Veterinary Sciences, University of Pisa, Viale delle Piagge 2, 56124 Pisa, Italy
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Carlos Huaranca J, Valdivia CE, Novaro AJ, Lucherini M. Traditional livestock activities modify the spatial behavior of small wildcats in the High Andes. J Nat Conserv 2022. [DOI: 10.1016/j.jnc.2022.126303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Flores V, Viozzi G, Rauque C, Mujica G, Herrero E, Ballari SA, Ritossa L, Miori G, Garibotti G, Zacharias DG, Treuque J, Reissig EC, Vázquez G, Pierangeli N, Lazzarini L. A cross-sectional study of free-roaming dogs in a Patagonian city: Their distribution and intestinal helminths in relation to socioeconomic aspects of neighborhoods. Vet Parasitol Reg Stud Reports 2022; 33:100747. [PMID: 35820719 DOI: 10.1016/j.vprsr.2022.100747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 05/10/2022] [Accepted: 06/07/2022] [Indexed: 06/15/2023]
Abstract
Human and dog health are inextricably linked, and although our relationship with dogs brings numerous benefits for our well-being, it is known that they can transmit disease. Bariloche is a Patagonian tourist city with heterogeneous social composition. This cross-sectional study evaluates the population of free-roaming dogs and their intestinal parasites in relation to the socioeconomic level of the city's human population. Census areas were used as survey units, stratified in three levels according to socioeconomic status. The free-roaming dog population was estimated by walking around each census area. Eight fresh feces per census count area were collected and analyzed using coproparasitological flotation tests, and CoproELISA was used to detect Echinococcus sp. A total of 858 free-roaming dogs were registered along 40.9 km, with significant differences between socioeconomic strata: the highest numbers were found in the lowest income strata. Of the feces collected, 39.2% tested positive for parasites, those associated with a lower socioeconomic level having higher percentages of positive feces and a greater number of species. Eight species of helminths were found, some of which were zoonotic, such as Echinococcus sp., Toxocara canis, and Dibothriocephalus latus. The presence of parasites can be explained by the number of free-roaming dogs per census count area. The free-roaming dogs generally have owners, and their parasitic infection is strongly associated with the socioeconomic level of the population. The main problem is irresponsible pet care, which generates healthy conditions for both dogs and humans. Thus, both dogs and humans deserve effective ethical public policies.
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Affiliation(s)
- Verónica Flores
- Laboratorio de Parasitología, INIBIOMA (CONICET-Universidad Nacional del Comahue), San Carlos de Bariloche, Argentina.
| | - Gustavo Viozzi
- Laboratorio de Parasitología, INIBIOMA (CONICET-Universidad Nacional del Comahue), San Carlos de Bariloche, Argentina
| | - Carlos Rauque
- Laboratorio de Parasitología, INIBIOMA (CONICET-Universidad Nacional del Comahue), San Carlos de Bariloche, Argentina
| | - Guillermo Mujica
- Unidad Regional de Epidemiología y Salud Ambiental, Zona Andina, Ministerio de Salud de la provincia de Río Negro, San Carlos de Bariloche, Argentina
| | - Eduardo Herrero
- Unidad Regional de Epidemiología y Salud Ambiental, Zona Andina, Ministerio de Salud de la provincia de Río Negro, San Carlos de Bariloche, Argentina
| | - Sebastián A Ballari
- CONICET, Parque Nacional Nahuel Huapi - CENAC (APN), San Carlos de Bariloche, Argentina
| | - Luciano Ritossa
- Laboratorio de Parasitología, INIBIOMA (CONICET-Universidad Nacional del Comahue), San Carlos de Bariloche, Argentina
| | - Gabriela Miori
- Instituto de Formación Docente Continua Bariloche, San Carlos de Bariloche, Argentina
| | - Gilda Garibotti
- Departamento de Estadística, Universidad Nacional del Comahue, San Carlos de Bariloche, Argentina
| | - Daniela G Zacharias
- Departamento de Estadística, Universidad Nacional del Comahue, San Carlos de Bariloche, Argentina
| | - Judith Treuque
- Universidad Nacional del Comahue, San Carlos de Bariloche, Argentina
| | - Elizabeth Chang Reissig
- Instituto de Investigaciones Forestales y Agropecuarias Bariloche (INTA-CONICET), San Carlos de Bariloche, Argentina
| | - Gabriela Vázquez
- Hospital Zonal Dr. Ramón Carrillo, Ministerio de Salud de la provincia de Río Negro, San Carlos de Bariloche, Argentina
| | - Nora Pierangeli
- Centro Interdisciplinario de Investigaciones Biomédicas y Clínicas, Facultad de Ciencias Médicas, Universidad Nacional del Comahue, Neuquén, Argentina
| | - Lorena Lazzarini
- Centro Interdisciplinario de Investigaciones Biomédicas y Clínicas, Facultad de Ciencias Médicas, Universidad Nacional del Comahue, Neuquén, Argentina
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Ellwanger JH, Byrne LB, Chies JAB. Examining the paradox of urban disease ecology by linking the perspectives of Urban One Health and Ecology with Cities. Urban Ecosyst 2022; 25:1735-1744. [PMID: 35855439 PMCID: PMC9283848 DOI: 10.1007/s11252-022-01260-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/10/2022] [Indexed: 12/14/2022]
Abstract
The ecology of zoonotic, including vector-borne, diseases in urban social-ecological systems is influenced by complex interactions among human and environmental factors. Several characteristics contribute to the emergence and spread of infectious diseases in urban places, such as high human population densities, favorable habitat for vectors, and humans' close proximity to animals and their pathogens. On the other hand, urban living can contribute to the improvement of public health through better access to health services and creation of ecological and technological infrastructure that reduces disease burdens. Therefore, urbanization creates a disease ecology paradox through the interplay of urban health penalties and advantages for individual and community outcomes. To address this contradiction, we advocate a holistic Urban One Health perspective for managing urban systems, especially their green spaces and animal populations, in ways that more effectively control the spread of zoonotic diseases. This view should be coupled with an Ecology with Cities approach which emphasizes actionable science needed for urban planning, management and policymaking; developing disease and vector surveillance programs using citizen and community science methods; and improving education and communication actions that help diverse stakeholders understand the complexities of urban disease ecology. Such measures will enable scholars from many disciplines to collaborate with professionals, government officials, and others to tackle challenges of the urban disease paradox and create more sustainable, health-promoting environments.
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Affiliation(s)
- Joel Henrique Ellwanger
- Laboratory of Immunobiology and Immunogenetics, Postgraduate Program in Genetics and Molecular Biology - PPGBM, Department of Genetics, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Rio Grande do Sul Brazil
| | - Loren B. Byrne
- Department of Biology, Marine Biology and Environmental Science, Roger Williams University, Bristol, RI USA
| | - José Artur Bogo Chies
- Laboratory of Immunobiology and Immunogenetics, Postgraduate Program in Genetics and Molecular Biology - PPGBM, Department of Genetics, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Rio Grande do Sul Brazil
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Rabies Elimination: Is It Feasible without Considering Wildlife? J Trop Med 2022; 2022:5942693. [PMID: 36211623 PMCID: PMC9537038 DOI: 10.1155/2022/5942693] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 06/07/2022] [Indexed: 12/04/2022] Open
Abstract
Rabies is a vaccine-preventable fatal viral disease that is zoonotic in nature. In this article, we provide a justification why the agreement of the World Health Organization (WHO), the Food and Agriculture Organization (FAO), the World Organization for Animal Health (OIE), and Global Alliance for Rabies Control (GARC) on The Global Strategic Plan to End Human Deaths from Dog-mediated Rabies by 2030 should also include a more holistic approach and ecologic views.
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