Risk Analysis and Occurrence of Hepatitis E Virus (HEV) in Domestic Swine in Northeast Brazil - Edmilson F. de Oliveira-Filho; Kennya G. S. Lopes; Deivson S. Cunha; Virginia S. Silva; Clara N. Barbosa; Daniel F. Brandespim; José Wilton Pinheiro Junior; Giovani R. Bertani; Laura H. V. G. Gil (Food and Environmental Virology, 2017)