title: Serological and molecular typing of HIV type 1 infection in the Tiriyo tribe, a native Indian community of the Amazon region of Brazil.
abstract: The seroprevalence and the occurrence of an HIV-1 subtype was assessed in blood samples of the Tiriyo tribe. Antibody was found in 0.6% and the molecular analysis of the pro region detected the emergence of a subtype B for the first time in a native Indian tribe of the Amazon region of Brazil.
authors.affiliation: Laboratório de Virologia, Centro de Ciências Biológicas, Universidade Federal do Pará, Belém, Pará, Brazil.
authors.forename: Luiz F A
authors.initials: LF
authors.lastname: Machado
authors.forename: Antonio C R
authors.initials: AC
authors.lastname: Vallinoto
authors.forename: Maria I M
authors.initials: MI
authors.lastname: Souza
authors.forename: Vania N
authors.initials: VN
authors.lastname: Azevedo
authors.forename: Marluisa O G
authors.initials: MO
authors.lastname: Ishak
authors.forename: Ricardo
authors.initials: R
authors.lastname: Ishak
mesh_terms: D000328:Adult; D001938:Brazil / Q000453:epidemiology / Q000208:ethnology; D015658:HIV Infections / Q000453:epidemiology* / Q000208:ethnology / Q000235:genetics; D015528:HIV Seroprevalence; D015497:HIV-1 / Q000145:classification / Q000235:genetics*; D006801:Humans; D007199:Indians, South American; D008297:Male; D008969:Molecular Sequence Data