Hepatitis E virus (HEV) is an emerging zoonotic pathogen mainly transmitted via food in developed countries, and for which domestic pigs are recognised as the main reservoir. To implement an efficient HEV surveillance and control plan in the pig production sector, it is first necessary to assess the level of knowledge of pig-farming main actors about this pathogen. To this aim, an online survey was conducted between September and October 2017 to evaluate pig farmers' and veterinarians' knowledge about HEV epidemiology and its zoonotic potential. The questionnaire was filled in by 383 pig farmers and 46 pig veterinarians. Of this population, 77.8% of farmers and 8.7% of veterinarians had never heard of HEV. Our results highlight knowledge gaps among responding farmers, especially regarding the clinical and epidemiological features of HEV, while veterinarians appear to be well-informed about this pathogen. These findings indicate significant room for further improvement and the need for more information aimed at French pig farmers, with veterinarians acting as a priority channel through which information may be transferred from scientists to farmers. These educational efforts will facilitate farmers' involvement in future HEV surveillance and control plans.
Keywords: Farmer; Foodborne zoonosis; Hepatitis E virus; Knowledge; Veterinarian.
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