�According to data from national sentinel surveillance sites in 2004, the average prevalence rate among this group is 1 per cent. Results from the 2003 epidemiological survey indicated prevalence rates of between 3.3 per cent and 6.7 per cent at four sites.

�The proportion of sex workers not using condoms decreased from 24.5 per cent in 2002 to 20.5 per cent in 2003, but the proportion claiming 100 per cent condom use is only 19 per cent (an improvement from 16 per cent in 2002). In the 2003 survey, 62 percent of respondents said they used a condom in their last commercial sex, but this figure varied from 8 to over 90 per cent.

�The results of the epidemiological survey among sex workers showed 1.4 per cent of these injected drugs in the past half-year, with 38 per cent of them sharing needles. At sentinel surveillance sites, the proportion of HIV positive sex workers who injected drugs was between 25 and 100 per cent in Guangxi, Hunan and Chongqing.