For the past decade, AIDS researchers have focused on the last phase of the infection. Their main question: Why do people with the AIDS virus, or HIV, succumb to cancers, opportunistic infections and nerve disorders? During the past two years, however, a small number of immunologists and virologists have started asking a different, and potentially more useful, question: Why do so many people with the virus live in such good health for so long -- in some cases for more than 12 years?
Two groups of scientists from UCLA and the University of Alabama believe they have found the beginning of...
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