Short Communication: Serological and Molecular Typing of HIV Type 1 Infection in the Tiriyo Tribe,a Native Indian Community of the Amazon Region of Brazil

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.