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Agnes Monifa's blood has fascinated AIDS researchers around the world. Monifa is a sex worker who for 15 years has visited this Pumwani clinic outside Nairobi, Kenya. Researchers based at the University of Nairobi discovered that Monifa and a small percentage of the other women they study here have resisted becoming infected with HIV, despite repeated likely exposures to the virus over several years. These "exposed, uninfected" women have become so well known that this morning, Monifa invites a local TV crew to interview her at home. We tag along, and I end up sitting with her inside her tiny, dark shack. I ask her why she thinks she has remained uninfected. "God loves me," she says.

(Photograph by Malcolm Linton)


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Science. ISSN 0036-8075 (print), 1095-9203 (online)