title: Global challenges.
authors.affiliation: UNAIDS.
authors.forename: J
authors.initials: J
authors.lastname: Carmichael
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology* / Q000517:prevention & control*; D000349:Africa / Q000453:epidemiology; D014943:Global Health; D006292:Health Priorities; D006293:Health Promotion; D006801:Humans; D015995:Prevalence; D014454:Uganda / Q000453:epidemiology; D014480:United Nations