National Study of Reproductive Tract and Sexually Transmitted Infections: Survey of High Risk Group in Lahore and Karachi 2005

Integrated Biologic (HIV/STI) and Behavioural Surveillance surveys were carried out from March to August 2004 in Lahore and Karachi in the following high-risk groups: injecting drug users, female sex workers, male sex workers, hijras (transgenders) and truckers. Sample sizes were 400 in each group at each site except for hijras, for whom the sample size was 200 at each site.