We welcome back Dr. Suzanne Humphries for a second interview, Vaccination: Enough to Make You Sick in which she analyzes vaccine effectiveness. We begin with an analysis of the Disneyland measles outbreak; natural immunity versus vaccination; how vaccines are evaluated; immune system very complicated and not completely understood; two main systems of the immune system – the cellular immune system and the humoral immune system; cocker spaniel kidney medium tumorigenic; one size fits all; the World Health Organization; black market in needles in Africa; mandatory vaccination.