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Volume 8, Number 8—August 2002

Research

West Nile Virus Outbreak in Horses, Southern France, 2000: Results of a Serosurvey

Benoit Durand*Comments to Author , Véronique Chevalier*, Régis Pouillot*, Jacques Labie*, Ingrid Marendat†, Bernadette Murgue†, Hervé Zeller†, and Stéphan Zientara*
Author affiliations: *Agence Française de Sécurité Sanitaire des Aliments, Maisons-Alfort, France; †Institut Pasteur, Paris, France;

Main Article

Table 1

Immunoglobulin G anti-West Nile virus prevalence in equines by age group, Camargue, France, 2000a

Age (yrs) Total Positive (%)
<1 33 2 (6.1)
1–2 368 44 (12.0)
3–5 938 88 (9.4)
6–10 1,559 124 (8.0)
11–15 975 87 (8.9)
16–20 555 50 (9.0)
21–25 229 21 (9.2)
>25 92 9 (9.8)
Total 4,749 425 (8.9)

aChi square = 6.63 (7 degrees of freedom); p=0.47.

Main Article

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