NIH Scientists Discover How HIV Kills Immune Cells Findings Have Implications for HIV Treatment WHAT: Untreated HIV infection destroys a person’s immune system by killing infection-fighting cells, but precisely when and how HIV wreaks this destruction has been a mystery until now. New research by scientists at the National Institute of Allergy and Infectious Diseases, part of the National Institutes of Health, reveals how HIV triggers a signal telling an infected immune cell to die. … [Read more...]