Via IFLScience, ‘The two men, ages 47 and 53, respectively received bone marrow transplants three and four years ago to treat lymphoma and leukemia. Though the HIV virus is no longer detectable in either of them, they are still undergoing antiretroviral therapy ART as a precaution, and Cooper refuses to say that the men have been “cured” due to the possibility of relapse, as witnessed in other patients whose viral loads had dropped to undetected levels only to reappear later.’