"Hiv." . . "Aids prevention." . . "HIV Infections therapy Africa." . . "Social implications." . . "Infectious diseases." . . . . "Epidemiology." . . "Africa." . . "Acquired Immunodeficiency Syndrome prevention & control Africa." . . "Saving Africa from HIV/AIDS : we can do it" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Aids." . . "Social aspects." . . "HIV Infections prevention & control Africa." . . "Epidemics." . .