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Volume 17, Number 7—July 2011
Letter

Rift Valley Fever in Ruminants, Republic of Comoros, 2009

Matthieu RogerComments to Author , Sébastien Girard, Abdourahime Faharoudine, Mohamed Halifa, Michèle Bouloy, Catherine Cetre-Sossah, and Eric Cardinale
Author affiliations: Author affiliations: Centre for Scientific Research and Intelligence on Emerging Infectious Diseases in the Indian Ocean, Sainte-Clotilde, La Réunion Island, France (M. Roger, E. Cardinale); French Agricultural Research Center for International Development (CIRAD), Montpellier, France (M. Roger, S. Girard, C. Cetre-Sossah, E. Cardinale); CIRAD, Mamoudzou, Mayotte (S. Girard); Vice-President, Ministry of Agriculture, Fisheries, Environment, Industry, Energy and Handicraft, Moroni, Republic of Comoros (A. Faharoudine, M. Halifa); Institut Pasteur, Paris, France (M. Bouloy)

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Table

Cross-sectional Rift Valley fever seroprevalence in sheep, goats, and horned cattle, Republic of Comoros, April–August 2009*

Animal Positive IgG results by animal age, % Positive IgG results by
sex, % No. animals positive by IgG/no. tested (%)
 Animals with positive IgG results confirmed by SN
Grande Comore Anjouan Mohéli Total
Sheep Y, 25.0; A, 42.4 M, 12.5; F, 45.5 3/5 (60.0) 9/26 (34.6) 4/10 (40.0) 16/41 (39.0) 2/2
Goats Y, 6.1; A, 43.2 M, 24.7; F, 37.4 55/139 (39.6) 20/97 (20.6) 9/15 (60.0) 84/251 (33.5) 17/17
Homed cattle Y, 15.1; A, 38.5 M, 29.1; F, 31.2 35/127 (27.6) 16/46 (34.8) 9/23 (39.1) 60/196 (30.6) 12/12
Total Y,11.4; A, 41.1 M, 25.7; F, 35.3 93/271 (34.3) 45/169 (26.6) 22/48 (45.8) 160/488 (32.8) 31/31

*Serum positivity was established when titers were >1:10. Ig, immunoglobulin; SN, seroneutralization; Y, young (before reproductive age); A, adult.

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Page created: August 18, 2011
Page updated: August 18, 2011
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