Figure 1

HSV-2 seroprevalence by sex and HSV-1 serostatus in the Swiss population across five strata from the lowest to the highest risk for HSV-2 infection defined by decision analysis using predictors identified by logistic analysis (Aged less than 35, living alone; aged less than 35 living with a partner; single or married with a low level of education; single or married with a high level of education; divorced or separated or widowed)