A nine-year old girl in South Africa born HIV positive has gone into remission without any antiretroviral drugs after receiving an aggressive treatment in the first few months of her life. She is the third patient in the world to receive the treatment, and her case shows the effectiveness of early HIV treatment as a possible functional cure for the infection.

Interesting full information here - https://www.infoislife.com/hiv-patient-maintains-low-viral-load-despite-no-antiretroviral-drug