A Failed Trial in Africa Raises Questions About How to Test H.I.V. Drugs

In Africa, where there are 1.6 million new infections each year, women are at particularly high risk: About 60 percent of Africans living with H.I.V. are women, and teenage girls are far more likely to be infected than teenage boys.

http://www.nytimes.com/2015/02/05/health/failed-trial-in-africa-raises-questions-about-how-to-test-hiv-drugs.html

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