- Brazil: Experimental treatment may have eliminated man's HIV, doctors say. The man has shown no sign of it for more than a year since he stopped HIV medicines after an intense experimental drug therapy without a bone marrow or stem cell transplant. https://www.nbcnews.com/health/health-news/experimental-treatment-may-have-eliminated-man-s-hiv-doctors-say-n1233062 4 comments worldnews