Gilead Sciences:

In the summer of 2019, Bora was celebrating his mother's birthday at a seaside restaurant in Istanbul when he suddenly became very ill and couldn't finish his meal.

"I woke up the next day with a high fever and terrible pain and was unable to move or eat for 10 days," recalls Bora.

It was at this point that a friend took him to an anonymous HIV testing clinic. After losing a close friend to an HIV-related condition years earlier, Bora understood the importance of taking precautions and periodically got tested.

"I was stunned to get a...