Published in Vaccine Weekly, March 10th, 1997
Researchers attempting to create an HIV vaccine have long been shooting in the dark, not knowing what immunity to HIV looks like. Definitive correlates of immunity to the virus have never been identified.
Now a beam of light has lit the target. It emanates from a single individual who has battled the virus to a standstill. After 16 years of HIV infection, this person has remained immunologically and clinically healthy with a very low viral load (<400 HIV RNA copies/mL plasma) and a normal CD4 count (1440 cells/(mu)L).
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