Figure 2From: Temporal dynamics of HIV-1 circulating subtypes in distinct exposure categories in southern BrazilProportion of AIDS diagnosed individuals according to exposure categories in Porto Alegre – Brazil. Black line with diamonds represents Men who have sex with men, grey line with squares represents heterosexuals and gray line with triangles represents injection drug users. Source: http://www.aids.gov.br/pagina/tabulacao-de-dados - access October 2011.Back to article page