American Timothy Ray Brown famous also as "The Berlin patient", is considered the first person who managed to recover from AIDS.
In 2007 to Brown have carried out transplantation of stem cells of blood within treatment of leukemia. The healthy donor, according to doctors, possessed a rare genetic mutation which provided resistance to a virus of an immunodeficiency and was transferred to Brown.
3 years later in spite of the fact that Brown has stopped therapy against HIV, the virus hasn't been found in his blood or in the fabrics taken for a biopsy.