• Vaccination programs were instituted in the late 1930s, and the first handful of autistic babies were noted in the early 1940s. When vaccination programs were expanded after the war, the number of autistic children increased greatly.

    Harris L Coulter: Vaccination programs were instituted in the late 1930s, and the first handful of autistic babies were noted in the early 1940s. When vaccination programs were expanded after the war, the number of autistic children increased greatly.