Another HIV vaccine fails, US study halted

Bad news in the fight against the AIDS virus: The government is halting a large U.S. study of a possible HIV vaccine because the experimental shots aren't preventing infection.

http://vitals.nbcnews.com/_news/2013/04/25/17914860-another-hiv-vaccine-fails-us-study-halted

Another HIV vaccine fails, US study halted

The study had enrolled about 2,500 people, mostly gay men, in 19 cities. Half received an experimental vaccine developed by the National Institutes of Health, and half received dummy shots.

http://www.firstcoastnews.com/news/local/story.aspx?storyid=311054