Ecologic Determinants of West Nile Virus Seroprevalence among Equids, Brazil.
Abstract: Among 713 equids sampled in northeastern Brazil during 2013-2018, West Nile virus seroprevalence was 4.5% (95% CI 3.1%-6.3%). Mathematical modeling substantiated higher seroprevalence adjacent to an avian migratory route and in areas characterized by forest loss, implying increased risk for zoonotic infections in disturbed areas.
Publication Date: 2021-08-24 PubMed ID: 34424166PubMed Central: PMC8386811DOI: 10.3201/eid2709.204706Google Scholar: Lookup
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- Journal Article
- Research Support
- Non-U.S. Gov't
Summary
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The research article investigates the relationship between environmental factors and the prevalence of West Nile Virus among equids in northeastern Brazil, using data collected between 2013 and 2018. The study indicates a higher risk of zoonotic infections in areas affected by factors such as proximity to avian migratory routes and forest loss.
Research Methodology
- The study was conducted on 713 equids (a group of animals that includes horses, donkeys, and zebras) in northeastern Brazil over a five-year period between 2013 and 2018.
- Serological testing was used to determine the presence of West Nile Virus in these animals.
- The researchers used mathematical modeling to quantify the effects of different ecological factors on disease prevalence.
Key Findings
- The overall prevalence of West Nile Virus in the studied population was found to be 4.5%.
- The study substantiates a higher prevalence of West Nile Virus in areas adjacent to avian migratory routes and in areas characterized by forest loss.
Implications and Conclusions
- The findings of this study underscore the impact of ecological disturbances, such as deforestation, on zoonotic disease prevalence and spread.
- These results imply an increased risk for zoonotic infections like West Nile Virus in areas disturbed due to anthropogenic activities or natural factors.
- This research can aid in formulating targeted, location-specific strategies for disease prevention and control.
Cite This Article
APA
de Oliveira-Filho EF, Fischer C, Berneck BS, Carneiro IO, Kühne A, de Almeida Campos AC, Ribas JRL, Netto EM, Franke CR, Ulbert S, Drexler JF.
(2021).
Ecologic Determinants of West Nile Virus Seroprevalence among Equids, Brazil.
Emerg Infect Dis, 27(9), 2466-2470.
https://doi.org/10.3201/eid2709.204706 Publication
Researcher Affiliations
MeSH Terms
- Animals
- Brazil / epidemiology
- Ecology
- Seroepidemiologic Studies
- West Nile Fever / epidemiology
- West Nile Fever / veterinary
- West Nile virus
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Citations
This article has been cited 9 times.- Dos Santos Conceição M, Chahad-Ehlers S, Dos Santos-Neto LG, Sant'Ana AL, Ribeiro GPM, do Rocio Klisiowicz D, Silva-Inacio CL, de Moura Barbosa T, Gama RA, Lozovei AL, de Andrade AJ. Culicidae (Diptera: Culicomorpha) in the southern Brazilian 'Ana Leuch Lozovei' collection, with notes on distribution and diversity. GigaByte 2022;2022:gigabyte55.
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