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;

Perceived levels of social stigma following HIV notification: Insights from Brazilian blood centers Renata Buccheri; Carolina Miranda; Cesar de Almeida-Neto; Thelma Gonçalez; Liliana Preiss; Luiz Amorim; Anna Barbara Carneiro-Proiett; Paula Loureiro; Ester C. Sabino; Brian Custer;

Seroprevalence of viral transfusion transmissible infections (HBsAg, anti-HCV, anti-HIV, Syphilis) and coinfection among healthy volunteer blood donors during 5-years in Luanda, Angola¿ Angelina Edna Quintas; Cláudia Camila Dias; Adis Del Carmen Cogle; Lemuel Cordeiro; António Sarmento;