MONTPELLIER, FRANCE – FEBRUARY 08: Naomi Taylor (R) and Marc Sitbon pose for photographs in a laboratory on February 8, 2012 in Montpellier, France. A team of scientists, led by Naomi Taylor at the Institut de Genetique Moleculaire de Montpellier, claim to have discovered an effective way to inhibit the ability of the HIV virus to infect cells. (Photo by Patrick Aventurier/Getty Images)