ugg outlet The risk of infection was reducedby almost44 percent in the group getting the drugs. The risk was reduced even further almost 73 percent study participants who took the drugs for mostofthe year.now have strong evidence that preexposure prophylaxis with an antiretroviral drug, a strategy widely referred to as PrEP, can reduce the risk of HIV acquisition among men who have sex with men, a segment of the population disproportionately affected by HIV/AIDS, says Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases (NIAID), part of the Institutes of Health.research is needed, but certainly this is an important finding that provides the basis for further investigating, developing and employing this prevention strategy, which has the potential to make a significant impact in the fight against HIV/AIDS, Fauci tells CNN.Researchers found people who took the PrEP pill regularly least 90 percen