From a total of 353 children, younger than 10 years old, submited to intradermoreaction in the district of Capitão Andrade, county of Itanhomi, in Minas Gerais, appeared negative. The intradermo reaction was repeated after a year, and it was confirmed the reaction's change in 10% from the: 121 children. It was observed, too, the incidence of 10,4% supported in the annual presence of tuberde bacilus in stools between the ages of 0 and 10 years.