AIDS experts go back to basics

The head of the U.S. agency in charge of AIDS research says scientists need to go back to basics to find a vaccine against the HIV virus.

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<p><a href="http://www.physorg.com/news125843458.html">AIDS experts go back to basics</a></p> <p>The head of the U.S. agency in charge of AIDS research says scientists need to go back to basics to find a vaccine against the HIV virus. </p>