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      HIV decline associated with behavior change in eastern Zimbabwe.

      Science (New York, N.Y.)

      Adolescent, Adult, Age Factors, Cohort Studies, Condoms, Disease Outbreaks, prevention & control, Emigration and Immigration, Female, HIV Infections, epidemiology, mortality, transmission, Humans, Incidence, Longitudinal Studies, Male, Prevalence, Risk-Taking, Sexual Behavior, Socioeconomic Factors, Zimbabwe

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          Abstract

          Few sub-Saharan African countries have witnessed declines in HIV prevalence, and only Uganda has compelling evidence for a decline founded on sexual behavior change. We report a decline in HIV prevalence in eastern Zimbabwe between 1998 and 2003 associated with sexual behavior change in four distinct socioeconomic strata. HIV prevalence fell most steeply at young ages-by 23 and 49%, respectively, among men aged 17 to 29 years and women aged 15 to 24 years-and in more educated groups. Sexually experienced men and women reported reductions in casual sex of 49 and 22%, respectively, whereas recent cohorts reported delayed sexual debut. Selective AIDS-induced mortality contributed to the decline in HIV prevalence.

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          Journal
          16456081
          10.1126/science.1121054

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