"The two-decade search for an AIDS vaccine is in crisis after two field tests of the most promising contender not only did not protect people from the virus but may actually have put them at increased risk of becoming infected.
The results of the trials, which enrolled volunteers on four continents, have spurred intense scientific inquiry and unprecedented soul-searching as researchers try to make sense of what happened and assess whether they should have seen it coming. ...
Numerous experts are questioning both the scientific premises and the overall strategy of the nearly $500 million in AIDS vaccine research funded annually by the U.S. government."
Friday, March 21, 2008
Vaccine Failure Is Setback in AIDS Fight: