West Nile Virus Outbreak in Horses, Southern France, 2000: Results of a Serosurvey
Copyright policy )West Nile Virus Outbreak in Horses, Southern France, 2000: Results of a Serosurvey
During late summer and autumn 2000, a West Nile fever outbreak in southern France resulted in 76 equine clinical cases; 21 horses died. We report the results of a large serosurvey of all equines within a 10-km radius of laboratory-confirmed cases. Blood samples were obtained from 5,107 equines, distributed in groups of 1 to 91 animals. West Nile virus immunoglobulin (Ig) G antibodies were found in 8.5% of animals (n=432). Forty-two percent of the IgG-positive animals were also IgM positive. Horses living in small groups were more affected than those in large groups. The results suggest that West Nile virus is not endemic in the affected area, the Camargue; rather, sporadic outbreaks are separated by long silent periods.
- Centre de Coopération Internationale en Recherche Agronomique pour le Développement France
- National Research Institute for Agriculture, Food and Environment France
- Institut Pasteur France
- École nationale vétérinaire d'Alfort France
- Département Sciences sociales, agriculture et alimentation, espace et environnement France
Male, equidae, Time Factors, http://aims.fao.org/aos/agrovoc/c_2615, [SDV]Life Sciences [q-bio], seroepidemiologic studies, Infectious and parasitic diseases, RC109-216, L73 - Maladies des animaux, Antibodies, Viral, Communicable Diseases, Emerging, Disease Outbreaks, http://aims.fao.org/aos/agrovoc/c_16411, flavivirus, fièvre, immunologie, http://aims.fao.org/aos/agrovoc/c_3668, West Nile Virus, surveillance épidémiologique, R, Age Factors, [SDV] Life Sciences [q-bio], http://aims.fao.org/aos/agrovoc/c_4188, Carrier State, épidémiologie, http://aims.fao.org/aos/agrovoc/c_2963, Medicine, Female, France, West Nile virus, http://aims.fao.org/aos/agrovoc/c_3808, age factors, Birds, 616, http://aims.fao.org/aos/agrovoc/c_3081, Animals, Horses, http://aims.fao.org/aos/agrovoc/c_10810, logistic regression, Research, Health Surveys, Logistic Models, Immunoglobulin G, Horse Diseases, cheval, West Nile Fever
Male, equidae, Time Factors, http://aims.fao.org/aos/agrovoc/c_2615, [SDV]Life Sciences [q-bio], seroepidemiologic studies, Infectious and parasitic diseases, RC109-216, L73 - Maladies des animaux, Antibodies, Viral, Communicable Diseases, Emerging, Disease Outbreaks, http://aims.fao.org/aos/agrovoc/c_16411, flavivirus, fièvre, immunologie, http://aims.fao.org/aos/agrovoc/c_3668, West Nile Virus, surveillance épidémiologique, R, Age Factors, [SDV] Life Sciences [q-bio], http://aims.fao.org/aos/agrovoc/c_4188, Carrier State, épidémiologie, http://aims.fao.org/aos/agrovoc/c_2963, Medicine, Female, France, West Nile virus, http://aims.fao.org/aos/agrovoc/c_3808, age factors, Birds, 616, http://aims.fao.org/aos/agrovoc/c_3081, Animals, Horses, http://aims.fao.org/aos/agrovoc/c_10810, logistic regression, Research, Health Surveys, Logistic Models, Immunoglobulin G, Horse Diseases, cheval, West Nile Fever
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