[Chagas disease always present in the Brazilian northeast].
D000293:Adolescent; D000328:Adult; D017677:Age Distribution; D001938:Brazil / Q000453:epidemiology; D014355:Chagas Disease / Q000453:epidemiology* / Q000469:parasitology / Q000517:prevention & control / Q000635:transmission; D002648:Child; D002675:Child, Preschool; D006801:Humans; D008875:Middle Aged; D011159:Population Surveillance; D015995:Prevalence