HIV vaccine study halted by US government over unsuccessful shots | Society | guardian.co.uk
▻http://www.guardian.co.uk/society/2013/apr/25/hiv-aids-vaccine-study-us-government?CMP=twt_fd
The US government halted a large HIV vaccine study on Thursday, saying the experimental shots were not successful in preventing infection.
Nor did the shots reduce the amount of the Aids virus in the blood when people who had been vaccinated later became infected, the National Institutes of Health said.
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A safety review this week found that slightly more study participants who had received the vaccine later became infected with HIV. It’s not clear why. But the difference wasn’t statistically significant, meaning it may be due to chance.