Epidemiological HIV and AIDS data on the burden of
disease and prevalence in adolescents at global and regional
levels were derived from the 2012 Joint United Nations
Programme on HIV/AIDS (UNAIDS) HIV and AIDS
estimates and reanalysis by United Nations Children’s
Fund.1,5 In addition, HIV prevalence data from national
population-based surveys in selected countries in which
HIV testing had been included6–10 were used to assess differentials
by age and sex