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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.
Doctors believe the patient’s immune system cleared the virus on its own.
Tests on more than a billion of her cells found no viable trace of the infection, Archives of Internal Medicine reports.
If this process could be harnessed, it might offer a way to wipe out or effectively cure HIV, experts say.
The findings are further proof a few people are born with natural resilience