HIV is still a scary virus for many people, but not the death sentence it once was.
People can now live long lives with HIV, provided they get the proper treatment and medication. Could a vaccine be far away?
It is certainly under study, but has been for a long time.
Dr. Anthony Fauci, the director of the National Institute of Allergies and Infectious Diseases, has been involved in the quest for decades now.
He describes the journey in a new article in Science and joins us on the air.