Donald McNeil Jr., for the New York Times wrote:
In the study, published Tuesday by the New England Journal of Medicine, researchers found that the men taking Truvada, a common combination of two antiretroviral drugs, were 44 percent less likely to get infected with the virus that causes AIDS than an equal number taking a placebo.
But when only the men whose blood tests showed that they had taken their pill faithfully every day were considered, the pill was more than 90 percent effective, said Dr. Anthony S. Fauci, head of the infectious diseasesdivision of the National Institutes of Health, which paid for the study along with the Bill and Melinda Gates Foundation.
“That’s huge,” Dr. Fauci said. “That says it all for me.”