Absence of occult hepatitis B among blood donors in southern Brazil Fernando Herz Wolff, Sandra Costa Fuchs, Ajacio B.M. Brandão

Seroprevalence of hepatitis E virus infection in blood donors from Piauí State, Northeast Brazil João Paulo da Silva-Sampaio, Raniela Borges Sinimbu, Julia Trece Marques, Abilio Francisco de Oliveira Neto, Livia Melo Villar

Seroprevalence of hepatitis E virus infection among volunteer blood donors in Central Brazil Sabrina Moreira dos Santos Weis-Torres, Adriana de Oliveira França, Celso Granato, Amanda Passarini, Ana Rita Coimbra Motta-Castro