HIV Vaccine Trial Halted Over Shot’s Inability to Prevent Infection

An HIV vaccine. Mujahid Safodien/AFP via Getty Images

Companies have halted an advanced trial of an HIV vaccine because the shot was found to not prevent infection.

Results from the stage 3 trial led to the determination that the vaccine “was not effective in preventing HIV infection compared to placebo among study participants,” Johnson & Johnson and its partners said in a statement.