République Tunisienne  
Ministère de l'Agriculture, des Ressources Hydrauliques et de la Pêche

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First serological investigation of   peste-des-petits-ruminants and Rift Valley fever in Tunisia> Description

 
Date de publication 2011 

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First serological investigation of   peste-des-petits-ruminants and Rift Valley fever in Tunisia

Auteur   Emna Ayari-Fakhfakh, Abdeljelil Ghram, Ali Bouattour, Imen Larbi, Latifa Gribâa-Dridi, Olivier Kwiatek, Michèle Bouloy, Geneviève Libeau, Emmanuel Albina, Catherine Cêtre-Sossah
Mots clés  Peste-des-petits-ruminants Rift Valley fever Vectors Tunisia
Résumé  This study, carried out between September 2006 and January 2007, is the first cross-sectional serological investigation of peste-des-petits-ruminants (PPR) and Rift Valley fever (RVF) in Tunisia. The objective was to assess the potential need to develop a dual, recombinant PPR–RVF vaccine and how such a vaccine might be utilised in Tunisia. An overall PPR seroprevalence of 7.45% was determined, a finding supported by the high specificity (99.4%) and sensitivity (94.5%) of the ELISA used. On assessment of the diversity and density of mosquitoes in the sampling area, four species of RVF-vectors of the genus Aedes and Culex were identified. However, no serological evidence of RVF was found despite the use of a highly sensitive ELISA (99–100%). Larger scale investigations are underway to confirm these findings and the continuation of the emergency vaccination program against these two diseases remains valid.
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