Abstract
Human immunodeficiency virus (HIV)-anribody screening of blood donors in northeastern Zaire was reviewed to determine overall seroprevalence in the population and to identify particular subgroups of the population who are at relatively high risk. Six hundred and seventy-five healthy blood donors were tested from March 1989 to May 1990 using either the HIV-CHEK or Karpas cell tests. A total of 25 donors (3.7%) were seropositive, and seropositivity was more common in female donors (5.4%) than in male donors (2.5%, P<0.05). Donors who came from major population centres had a higher rate of seropositivity than did individuals coming from rural villages (10.5% vs 2.0%, P<0.001). There was a tendency toward increasing seroprevalence during the 13 months of the study with 2.8% of donors positive in 1989 and 5.8% positive in 1990 (P<0.1). It is concluded that in healthy blood donors in northeastern Zaire: (1) HIV seropositivity is more frequent in women and in individuals coming from major population centres, and, (2) HIV seropositivity seems to be increasing rapidly.
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