HIV Vaccine Remains Elusive
July 22, 2009 4:24 p.m.
AIDS is the number one killer in sub-Saharan Africa, and it's the fourth leading cause of death worldwide. Researchers have been trying to develop a vaccine to protect people against HIV, the virus that causes AIDS. So far, the results have been disappointing. From the International Aids Conference in Capetown, South Africa, KPBS Health Reporter Kenny Goldberg tells us the search continues.