| antenatal hiv prevalence in yaounde, cameroon. | from june 1994 to july 1996, 4100 pregnant women living in yaounde, cameroon, were tested for human immunodeficiency virus type 1 (hiv-1) and syphilis. the hiv seroprevalence was 4.2% (95% confidence interval (ci): 3.6%-4.8%), and that of antibodies to treponema pallidum was 17.4% (95% ci: 16.3%-18.6%) (hiv infection was twice as common in women with positive syphilis serology) (7.2% vs 3.6%). over the study period, the antenatal seroprevalence of syphilis remained stable, while there was an inc ... | 1998 | 9696195 |