<p>DURBAN, South Africa (Agence France-Presse) — A Washington-area scientist says he lost priceless work on an AIDS vaccine when he was mugged at knife point while attending an AIDS conference in South Africa.</p>
<p>James Mullins, a professor of microbiology at George Washington University, said Monday that seven men attacked him Sunday afternoon outside his hotel in Durban, taking his laptop, which contained years of research that could have led to an AIDS vaccine.</p>