Strong Country Level Correlation between Syphilis and HSV-2 Prevalence

Figure 3

The antenatal prevalence of syphilis by country in 1990–1999 (a) and 2008 (b), unadjusted for testing strategy, the 1990–1999 prevalence of HSV-2 by country in 20–24-year-old women (c) and 40–44-year-old women (d), and the peak prevalence of HIV by country (e).

(a) Syphilis prevalence 1990–1999

(b) Syphilis prevalence 2008

(c) HSV-2 prevalence in 20–24-year-olds

(d) HSV-2 prevalence in 40–44-year-olds

(e) Peak HIV prevalence