"I think it was the first time that he had been to Africa, and health care workers had nothing but their bare hands. They could offer so little to alleviate the suffering. And I feel that that visit for Tony was quite transformative, and he appreciated that something could be done about it. That this was not an impossible situation, that we had the tools, the resources, and it just would take the will and the commitment to be able to change the reality of HIV in Africa."

https://www.nejm.org/doi/full/10.1056/NEJMp2300937?query=featured_home