Experimental HIV vaccine fails in Africa

HIV test

HIV/Aids screening test during a past World Aids Day.

Photo credit: File

What you need to know:

  • Researchers found that 63 participants who received the placebo and 51 who received the vaccine became infected with HIV, meaning the efficacy was 25.2 percent.

Johnson & Johnson's highly anticipated HIV vaccine failed to demonstrate adequate protection in a clinical trial involving more than 2,600 young women in sub-Saharan Africa, the company and US health authorities said Tuesday.

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