31.   The Thai government has given the go-ahead for the first large-scale AIDS vaccine trial in the developing world, UNAIDS said Tuesday.

32.   There is a risk that prevention efforts may diminish, for example, when vaccine trials begin, he cautioned.

33.   Vaccine trials will go ahead in Thailand, Brazil and Uganda, and also in China, Piot said.

34.   A separate judicial commission is looking into allegations by people who say that, as children in care, they were used as guinea pigs in vaccine trials.

35.   Others like Dr Edward Mbidde of the Cancer Research Institute in Kampala Uganda said vaccine trials should move forward.