He is the son of Apollo and the daughter of Coronis daughter of a king of Thessaly. He is a god of healing and was at first a mortal man. He become such a great healer he could bring the dead back to life. He was killed by Zeus because it interfered with the natural order. But he rose to heaven and now acts as a healer from there.
His worshipers pray to him for health and healing, and his priests practace faith healing.
They also offer free clinics and medical care. They also distribute contraceptives to teens.