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Serologic screening for human T cell lymphotropic virus types 1/2 (HTLV-1/2) infection in blood donors has been recently introduced in Brazil. Analysis of 351,639 blood donations in Sao Paulo from(More)
OBJECTIVES To determine the seroprevalence of herpes simplex virus type 2 (HSV-2) antibodies and the relation between the history of clinical herpes and the presence of type-specific HSV-2 antibodies(More)
To evaluate the prevalence of antibodies against hepatitis A in two socioeconomically distinct populations, 101 and 82 serum samples from high and low socioeconomic groups, respectively, were(More)
BACKGROUND The aims of this study were to evaluate the prevalence of perianal ulcer in AIDS patients with advanced disease, and to investigate risk factors associated with these lesions. METHODS A(More)