India, April 15 -- A 63-year-old man from Norway, known as the 'Oslo patient,' has become one of the few people in the world whose HIV is no longer active for a long time after treatment.

He received a stem cell transplant from his brother to treat a rare blood cancer. Later, doctors discovered that his brother had a rare genetic change that makes cells resistant to HIV. Because of this, the transplant not only treated his cancer but also helped stop the HIV. Doctors later closely monitored his condition after the procedure.

Now, he is the 10th person in the world to reach long-term HIV remission. Four years after the transplant, doctors could not find any traces of HIV in his body.

The health experts explained that a genetic mutation (c...