PLOS Medicine, Published: June 16, 2015
There is evidence that HIV prevention programs for sex workers, especially female sex workers, are cost-effective in several contexts, including many western countries, Thailand, India, the Democratic Republic of Congo, Kenya, and Zimbabwe.
Quote:
“Studies of sources of new infections and HIV transmission dynamics suggest that sex work contributes only a small fraction of new HIV infections, and investment in HIV programs must reflect these wide epidemic gradations”