... Chau, 24. 8% in Quang Tri, 7.3% in Dong Thap,5.7% in An Giang, 9 .4% in Kien Giang and 14. 9% in Soc Trang. 15venue based FSW was less than street based FSW (4% vs 20%, p=0.0001). 3.1.2 .4. Condom ... and 300 street based FSW). 3.1. HIV/ STI situation and related factor in FSW in 4 districts of HaNoi 2005-2006 3.1.1. HIV/ STI prevalence in FSW Figure 3 .4. HIV prevalence by FSW type and by ... significantly. 1 .4. Some information about Ha Noi HIV prevalence in FSW in Ha Noi is very high in comparison withthat of the whole country. According to HIV sentinel surveillance, HIV prevalence...