Timothy Ray Brown is the first person in the world believed to have recovered from HIV.
He told the Today programme's Andy Hosken that he feels great but that he does not "want to be the only person in the world to be cured from HIV".
Dr Ravindra Gupta, a research fellow at University College London, said that Timothy Ray Brown's case was "very exciting for the field".
"For the first time we've had some insight into the fact that this may be possible," he told the Today programme.
He believes we are five to 10 years away from developing "either a cure strategy or a vaccine".
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