Volume 11, Number 11, November 2005

Rift Valley Fever in Small Ruminants, Senegal, 2003

Véronique Chevalier,* Renaud Lancelot,† Yaya Thiongane,‡ Baba Sall,§ Amadou Diaité,‡ and Bernard Mondet¶
*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; and ¶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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This page last reviewed September 30, 2005

Emerging Infectious Diseases Journal
National Center for Infectious Diseases
Centers for Disease Control and Prevention