Approximately - 1.1 million people - were living with HIV (Human Immunodeficiency Virus) at the end of 2015; 15 percent of these had no idea they’d been infected. Statistically speaking, those who started antiretroviral treatment early could expect to live a long life despite their HIV diagnosis, but they would never be cured. A cure may be on the horizon, though. Two men infected with HIV have been...