HIV vaccine has undergone research for three decades and the new challenge is that the vaccine is backfiring. The virus may, already have affected the immune cells that the vaccine aims to improve. "One of the reasons why it has been so difficult to make an AIDS vaccine is that the virus infects the very cells of the immune system that any vaccine is supposed to induce," explained senior author Guido Silvestri from Emory University, Georgia, in the US. Basically ...
via Medindia Health News
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