Rift Valley Fever in Small Ruminants, Senegal, 2003
Véronique Chevalier* , Renaud Lancelot†, Yaya Thiongane‡, Baba Sall§, Amadou Diaité‡, and Bernard Mondet¶
Author affiliations: *Centre International de Recherche Agronomique pour le Développement, Montpellier, France; †Ambassade de France, Antananarivo, Madagascar; ‡Institut Sénégalais de Recherche Agricole, Dakar-Hann, Senegal; §Direction de l'Élevage, Dakar, Senegal; ¶Institut de Recherche pour le Développement, Dakar-Hann, Senegal
Figure 3. Serologic incidence rate of Rift Valley fever in small ruminants (N = 610), according to the location of the pond (A, in Ferlo River bed; B, outside Ferlo River bed) and its maximum surface during the 2003 rainy season in the Barkedji area, Senegal. Points indicate observed pond-level serologic incidence. Solid line indicates population mean of the serologic incidence estimated with the best Bayesian information criterion mixed-effect logistic regression model. Dashed lines indicate pointwise 95% confidence interval corresponding to these estimates. ha , hectares.
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