HIV Experts Debate Impact of Failed Vaccine

In the spring of 2007, it was the next great hope for the fight against AIDS. But by the fall, studies of an experimental vaccine against HIV suggested not only that it did not work, but that it actually put those who received it at greater risk of infection. Now, AIDS experts are assessing the potential damage of the results of these trials to HIV vaccine research. And while some say the blow is enough to send scientists back to the drawing board, others counter that the findings of the...Full Story