The patient's immune cells appear to have eliminated the virus without drugs or therapy.
A woman from Argentina appears to have rid herself of HIV without drugs or treatment - the second documented case of its kind in the world.Tests on more than a billion of her cells found no viable trace of the infection,If this process could be harnessed, it might offer a way to wipe out or effectively cure HIV, experts say.Some have genes that prevent infection.
Adam Castillejo, from London, was able to stop taking his daily HIV pills after receiving a donor stem-cell treatment for a cancer he also had.His HIV-infected cells were wiped out and replaced during the cancer therapy. "We are now looking toward the possibility of inducing this kind of immunity in persons on ART, through vaccination, with the goal of educating their immune systems to be able to control the virus without ART."Prof John Frater, from the University of Oxford, told BBC News while it was almost impossible to say if someone had been truly cured of HIV, the investigators had done "as much as could be asked of them with current technology" to prove it.
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