That fateful trip was in 1999, right around the time that the medical world was beginning to understand how much blood transfusions did to spread human immunodeficiency virus (HIV). “It became clear to me that if I really wanted to help people in low-resource countries, they didn’t need me. They have expert doctors there that already know more about the disease I was going to treat than I do. With all due respect for the doctors that do this, there’s a bit of neocolonialim in it.”Inspired by thi...