Internationally renowned medical scientist, frequent media contributor, and autism dad Dr. Peter J. Hotez explains why vaccines do not cause autism. In 1994, Peter J. Hotez's nineteen-month-old daughter, Rachel, was diagnosed with autism. Dr. Hotez, a pediatrician-scientist who develops vaccines for neglected tropical diseases affecting the world's poorest people, became troubled by the decades-long rise of the influential anti-vaccine...