How safe is the antiretroviral drug Nevirapine? Last week, the withdrawal of an application by the manufacturers of Nevirapine to register it with the United States Food And Drug Administration was allowed to generate considerable concern and confusion in South African medical and political circles about the safety and efficacy of the medication. On Tuesday, a trans-Atlantic link with leading scientists in the US and South Africa categorically laid these concerns to rest and clarified the nature of the application to register the drug.

Documents circulating in government circles have once again disputed the link between HIV and AIDS and questioned scientific knowledge and practice in relation to the HI virus. In this audio package, acclaimed South African scientist, Dr Carolyn Williamson, who last year received the World Technology Award for Health & Medicine in recognition of her efforts to find an AIDS vaccine, speaks about the scientific evidence.