A Big Step Along The Path To An HIV Vaccine
(WorldNews Health)

One of the reasons people are still becoming infected with HIV is the virus comes in different strains, and it is hard to design a single vaccine that works against all of them. However, a vaccine that has already produced encouraging results against the HIV strains in Thailand has now been found to produce an even bigger immune response to the most common forms in South Africa, raising hopes it could be effective in...