News outlets report on a new study examining why only one person has been cleared of HIV infection.

Live Science: Only 1 Person Has Been Cured of HIV: New Study Suggests Why
“To this date, only one person is thought to have been cured of HIV — the ‘Berlin patient’ Timothy Ray Brown. But no one is exactly sure which aspect of Brown’s treatment may have cured him. Now a new experiment on monkeys provides more evidence that a rare genetic mutation in the person who donated bone marrow to Brown may have had a central role in his cure…” (Gholipour, 9/25).

Science: How did the ‘Berlin patient’ rid himself of HIV?
“Researchers are closer to unraveling the mystery of how Timothy Ray Brown, the only human cured of HIV, defeated the virus, according to a new study. Although the work doesn’t provide a definitive answer, it rules out one possible explanation…” (Cohen, 9/25).