[Frequency of neutralizing antibodies to the vesiculovirus Piry, in blood donors of Uberaba, Minas Gerais, Brazil]. / Freqüência de anticorpos neutralizantes contra o vesiculovirus Piry, em doadores de sangue de Uberaba, Minas Gerais, Brasil.

Thirteen (8.0%) of 162 blood donors from Uberaba-Minas Gerais State showed neutralizing antibodies to the vesiculovirus Piry. The previous residence in rural area (p less than 0.0001) and in the cities of the São Paulo State (p less than 0.05) were statistically more frequent in the Piry seropositive group.