Epidemiology of hantavirus infections in Brazil - Campos, Gelse Mazzoni; Passos, Afonso Dinis Costa; Moreli, Marcos Lázaro; Souza, Ricardo Luiz Moro de; Badra, Soraya Jabur; Borges, Alessandra Abel; Figueiredo, Luis Tadeu Moraes (International Conference on HFRS, HPS and Hantavirus, 2004)