Audio Player | The Diane Rehm Show from WAMU and NPR

On Now:

John Cohen: "Shots in the Dark" (WW Norton)

February 1, 2001

Ever since HIV was identified as the virus that causes AIDS, doctors and activists have put their hopes into the development of a vaccine to stop the spread of the disease. But, more than 15 years later, no vaccine has yet been developed...

Please install Adobe Flash Player.