An "Elite" Immune System can prevent AIDS(discover jan 2009)

Now another one I thought near impossible there is a way that you can be immune to AIDS. The people who can are only able to because they're immune system is powerful enough that it can withstand the full power of HIVs. These people have certain immune cells that stop the replication of the HIV. Joel Blankson an assistant at John Hopkins University says that because of these immune cells a vaccine for AIDs should be possible.