HIV Selectively Suppresses Anti-HIV Defense Cells5-4-2 A new study confirms what HIV researchers until now only suspected: HIV selectively disables the immune system's response against the virus by disproportionately infecting the very cells designed to fight it. In fact, CD4+ T cells programmed to fight HIV are two to five times more likely to be infected with HIV than CD4+T cells programmed to take on other pathogens. "This finding not only helps us better understand how the virus causes disease, it should also aid in developing effective HIV vaccines," comments Anthony S. Fauci, M.D., director of the National Institute of...