He organized a Presidential Advisory Panel regarding HIV/AIDS in 2000, which attracted scientists such as Peter Duesberg and Harvey Bialy, who deny that HIV causes AIDS. 
Aliunda Jopo la Kumshauri Rais kuhusu VVU/UKIMWI mwaka 2000, lililokuwa na wanasayansi kama Peter Duesberg na Harvey Bialy, ambao nao wanadai kwamba VVU havisababishi UKIMWI.