By Advocate.com Editors
Originally published on Advocate.com December 14 2010 6:45 PM ET
In 2007 an HIV-positive German man received a stem cell transplant to treat his leukemia — weeks later, he showed no signs of HIV in his bloodstream.
Now, three years later and after a round of chemotherapy in 2008, Timothy Ray Brown continues to show no signs of being HIV-positive.
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