Researchers have been able to block HIV infection by disabling a human protein in key cells. The breakthrough will enable doctors to outwit the fast mutating HIV virus that has been the bane of treatment. Earlier, doctors either prescribed multi-drug regimens or switched drugs.
But such strategies are fraught with risks. They can increase the risk of toxic side effects, be difficult to follow and are not always successful. Most of the drugs used against HIV that causes acquired immune deficiency syndrome (AIDS), target the virus's own proteins.
However, because HIV has a high rate of genetic mutation.

Full story: newkerala.com