Sub-Saharan region remains hotspot as disease spreads.
D017954:Africa South of the Sahara / Q000453:epidemiology; D017280:Condoms; D015658:HIV Infections / Q000453:epidemiology* / Q000517:prevention & control; D015528:HIV Seroprevalence / Q000639:trends; D006801:Humans; D012725:Sexual Behavior; D012747:Sexual Partners