Bobby Campbell, one of the first gay men in San Francisco to be diagnosed with what became known as AIDS.
Thirty years ago, the Centers for Disease Control reported that five previously healthy young men in Los Angeles had come down with a rare lung disease. It was the start of a medical mystery, solved years later with the discovery of HIV, the virus that causes AIDS. We talk with activists and caregivers in San Francisco who were part of those early days of the epidemic. Reporter: Scott Shafer