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. 2010 Jul;104(7):507-9.
doi: 10.1016/j.trstmh.2010.03.001. Epub 2010 Mar 30.

Prevalence of IgG antibodies against West Nile virus in blood donors during the 2003 outbreak in Tunisia

Samira Riabi  1 , Pierre Gallian, Imed Gaaloul, Sophie Simon, Rafik Harrath, Mohsen Hassine, Philippe de Micco, Mahjoub Aouni
Affiliations

Prevalence of IgG antibodies against West Nile virus in blood donors during the 2003 outbreak in Tunisia

Samira Riabi et al. Trans R Soc Trop Med Hyg. 2010 Jul.

Abstract

This study aimed to evaluate the prevalence of anti-West Nile virus (WNV) IgG among two populations of Tunisian blood donors living in areas where human outbreaks of WNV have occurred. Cohorts A (Monastir) and B (Mahdia) included 742 and 102 blood donors respectively. Sera were tested by IgG ELISA test and results were confirmed by PRNT test. WNV neutralizing antibodies were detected in 32 (4.3%) and in 14 (13.7%) sera in cohorts A and B respectively. The prevalence of anti-WNV IgG was significantly higher in cohort B than in cohort A (P<0.001) and was significantly lower in females than in males (P<0.001).

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