HIV/AIDS denialism in South Africa according to Gellman, Mbeki is "keeping the scientific uncertainties alive because he doesn't want to portray himself as helpless." On May 10, 1994, Mandela became President of South Africa, remaining in that office until replaced by Thabo Mbeki five years later. During his presidency, which lasted from then until 1999, Mandela remained largely indifferent to HIV/AIDS, and did not speak out about the danger it posed to South Africa until the early 2000s. Mandela has himself reportedly expressed regret that he did not do more to combat AIDS during his presidency. In early 1997, Mbeki, who was then the Deputy
State President of South Africa be outvoted on any substantive matter. Thus, the real power remained in white hands—and in practice, in the hands of the National Party, which had a large majority in the white chamber. As Botha was leader of the National Party, the system placed nearly all governing power in his hands. Botha resigned in 1989 and was succeeded by F. W. de Klerk, who oversaw the transition to majority rule in 1994. Under South Africa's first non-racial constitution, adopted in 1994, the head of state (and of government) is known simply as the President. However, since the declaration of the republic