HIV positive samples

Two HIV sufferers who were thought to have been cured of the virus with treatment for blood cancer have suffered viral 'rebound' and are now once again taking anti-retroviral drugs, Boston doctors have announced.

http://www.mynews3.com/entertainment/weirdnews/story/Cured-HIV-patients-suffer-relapse-doctors-say/dy45ZY3IIUSI0CyFTMNFLg.cspx