Infection With 2 HIV Strains Slows Disease Progression

WEDNESDAY, July 18 (HealthDay News) — While many people don’t know it, there’s more than one kind of AIDS virus. Besides the HIV-1 strain that’s common throughout the world, a type known as HIV-2 is found in some parts of Africa. Now, a new study finds that people infected with HIV-2 and later with HIV-1 appear to be better equipped to fight off the virus.