John, yes there are a few genetically related people in Kenya that have been found to have immunity to HIV. They are the subjects of important research.

John makes some good points about what those "added challenges" are with HIV that I referred to, but it seems that you are both unaware of how advanced this research currently is.

There are presently vaccines that are going through clinical trials:


Public/Private Partnership of Merck and HIV Vaccine Trials Network To Conduct First Efficacy Test of Merck Vaccine Candidate, January 24, 2005

www.hvtn.org/media/press_releases.sht

AIDS breakthrough - vaccine strengthens the body’s immune system againts HIV, Disease/Infection News, Tuesday, 28-Dec-2004

www.news-medical.net/