This study explored the issue of public support for the provision of a “oneyear, free HIV vaccination programme”. Of all the contingent the valuation method (CVM) studies, this study has led the way in estimating how much the public, the general population, would be willing to pay for supporting this free scheme, targeting only commercial sex workers (CSWs), with a “one-off” payment as part of their yearly income tax. Thailand now faces a changing pattern of HIV/AIDS transmission into low risk groups, as a result of their direct and indirect ...