West Nile virus surveillance, Guadeloupe, 2003-2004.
Abstract: We conducted extensive surveillance for West Nile virus infection in equines and chickens in Guadeloupe in 2003-2004. We showed a high seroprevalence in equines in 2003 related to biome, followed by a major decrease in virus circulation in 2004. No human or equine cases were reported during the study.
Publication Date: 2005-07-19 PubMed ID: 16022789PubMed Central: PMC3371788DOI: 10.3201/eid1107.050105Google Scholar: Lookup
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- Journal Article
- Research Support
- U.S. Gov't
- P.H.S.
- Animal Health
- Animal Models
- Animal Science
- Disease control
- Disease Outbreaks
- Disease Prevalence
- Disease Surveillance
- Epidemiology
- Equine Diseases
- Equine Health
- Horses
- Infectious Disease
- Mosquito-borne Diseases
- Public Health
- Seroprevalence
- Vector-borne disease
- Veterinary Medicine
- Veterinary Science
- Virus
- West Nile Virus
Summary
This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.
The study focuses on monitoring the prevalence of West Nile virus in horses and chickens in Guadeloupe over the period 2003-2004, showing high infection rate in horses in 2003, which drastically reduced in 2004. No cases were reported in humans or horses during the research period.
Research Objective and Methodology
- The research was carried out to monitor and understand the prevalence of West Nile virus (WNV) in Guadeloupe within a specific timeframe (2003-2004).
- The targeted subjects for this study were equines (horses) and chickens. These animals were chosen due to their high susceptibility to WNV and their role in the virus’s life cycle.
- Through extensive surveillance and testing, researchers were able to determine “seroprevalence” or the level of specific antibodies in the blood that indicate previous exposure to WNV.
Research Findings
- In the year 2003, a high seroprevalence of West Nile virus was noted in horses. This suggests that these horses had been previously exposed to the virus and had developed antibodies in response.
- This high level of infection in 2003 was found to be related to biome, a specific environmental area where certain fauna and flora flourish.
- Interestingly, there was a major decrease in virus circulation in 2004. This could be due to many factors such as changes in environmental conditions, interventions to control the virus, or changes in the bird populations that are the primary carriers of WNV.
- No cases of WNV were reported in humans or horses during the research time frame. This indicates that although the virus was present in the environment and animals were exposed to it, no apparent disease transmission occurred to the human or horse populations.
Conclusion
- The study offered valuable insights into the patterns of West Nile virus circulation in Guadeloupe, particularly in horses and chickens. Knowledge of such patterns aids in predicting possible outbreaks and implementing preventive measures.
- Although the seroprevalence in horses was high in 2003, the drastic decrease in 2004 suggests that various factors that facilitate virus transmission had changed. Further investigation would be necessary to understand these factors in detail.
Cite This Article
APA
Lefrançois T, Blitvich BJ, Pradel J, Molia S, Vachiéry N, Pallavicini G, Marlenee NL, Zientara S, Petitclerc M, Martinez D.
(2005).
West Nile virus surveillance, Guadeloupe, 2003-2004.
Emerg Infect Dis, 11(7), 1100-1103.
https://doi.org/10.3201/eid1107.050105 Publication
Researcher Affiliations
- Centre de Coopération Internationale en Recherche Agronomique pour le Développement, Prise d'Eau, Guadeloupe, French West Indies. thierry.lefrancois@cirad.fr
MeSH Terms
- Animals
- Antibodies, Viral / blood
- Chickens
- Guadeloupe / epidemiology
- Horse Diseases / epidemiology
- Horses
- Humans
- Population Surveillance
- Poultry Diseases / epidemiology
- Seroepidemiologic Studies
- West Nile Fever / epidemiology
- West Nile Fever / veterinary
Grant Funding
- U50 CCU820510 / ODCDC CDC HHS
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This article includes 14 references
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Citations
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