Fig. 1

Graph of the relation between the number of disability-adjusted life years lost (left axis), the number of incident HIV infections (right axis) and condom use at public sex venues. Red lines indicate HIV, while blue lines indicate the cumulative effect on all other sexually transmitted infections (hepatitis C, chlamydia, gonorrhoea, and syphilis). Solid lines indicate the current condom effectiveness (70%), while dotted lines indicate a condom effectiveness of 100%. Condom use at PSV before and after the intervention are indicated by the vertical grey lines