Prevalence of sexually transmitted infections and bacterial vaginosis among women in sub-Saharan Africa: An individual participant data meta-analysis of 18 HIV prevention studies
Fig 7
High-titer syphilis prevalence among 15–24-year-olds.
The area of the marker is proportional to the square root of the sample size. Studies with no estimate presented did not meet the inclusion criteria for this infection and age group. Year presented is the median year that baseline data were collected during the study. *Includes studies of HIV-discordant couples. E Africa, Eastern Africa; SA, South Africa; S/E Africa, Southern and Eastern Africa.