title: HIV infections and AIDS: continuous vigilance needed to contain the epidemic.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology* / Q000517:prevention & control*; D004196:Disease Outbreaks / Q000517:prevention & control* / Q000706:statistics & numerical data*; D015658:HIV Infections / Q000453:epidemiology* / Q000517:prevention & control*; D006801:Humans; D015994:Incidence; D038622:Internationality; D011159:Population Surveillance; D018570:Risk Assessment / Q000379:methods; D012307:Risk Factors