characteristics associated with hiv-1 infection in pregnant women in brazzaville, congo. | maternal human immunodeficiency virus type 1 (hiv-1) infection in sub-saharan africa is a major public health concern because of the high prevalence among women of childbearing age and the poor prognosis for perinatally infected children. characteristics associated with hiv seroprevalence were studied in a population of 1,833 pregnant women seen in two large mother-child clinics in brazzaville, congo. the prevalence of hiv infection was 3.9% (95% confidence interval, 3.0-4.9%) and differed signi ... | 1992 | 1740754 |