2017-02-242017-02-241981-08MACHADO, Arminda de Jesus; ALMEIDA NETTO, Joaquim Caetano de; ZICA, Ronaldo Fonseca. Prevalência da infecção chagásica em três municípios da microrregião Picos-Piauí. Revista de Patologia Tropical, Goiânia, v. 10, n. 2, p. 113-117, mai./ago. 1981. Disponível em: < https://www.revistas.ufg.br/iptsp/article/view/21319/12526>.0301-0406http://repositorio.bc.ufg.br/handle/ri/11482Six hundred of blood samples, collected in three municipalities of Picos-Piauí microregion, "Campus Avançado" of the "Universidade Federal de Goiás", were tested through indirect immunofluorescence technique, in order to evaluate the prevalence of Chagas' Dísease. Sixty five per cent of the examined population showed positive results, concerning such a disease (10,83%). Positivity rates showed to increase according to donor*s age, from a minimum of 5,08% at age 0-9 to a maximum of 23,73% at age 4049.porAcesso AbertoArtigo