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Hepatitis E Virus Exposure is Increased in Pork Butchers from Burkina Faso
Kuan Abdoulaye Traoré1, Jean Bienvenue Ouoba1, Nicolas Huot1
1LaBESTA/CRSBAN, EDST, Université de Ouagadougou, Ouagadougou, Burkina Faso; Service d'Immuno-Virologie, Institut des Maladies Emergentes et Thérapeutiques Innovantes, Commissariat à l'Energie Atomique (CEA), Inserm U1184, Center for Immunology of Viral Infections and Autoimmune Diseases, Fontenay-aux-Roses, France; Université Paris-Sud, Orsay, France; ANSES, UMR 1161 Virologie, INRA, ENVA, University Paris-Est, Maisons-Alfort, France.
Abstract:
We conducted the first survey of zoonotic risk of Hepatitis E virus (HEV) transmissions in Ouagadougou, Burkina Faso, through the direct contact with pork meat during professional activity. Anti-HEV antibodies were more prevalent in pork butchers, 76% than in the general population, which was 47.8% in 2013 (odds ratio = 3.46, 95% CI = 2.85-4.21, P < 0.001). Among slaughter-aged swine, HEV seroprevalence was of 80%, and HEV RNA was detected in 1% of pork livers. Phylogenetic analysis pointed out HEV genotype 3. Thus, in addition to possible HEV contamination through the water source, as in endemic region, zoonotic transmissions of HEV probably occur in west Africa.
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