Does research show vaccines are safe? Are vaccines tested for carcinogenicity? The story of Our Alexander The polio vaccine/cancer connection – SV40 Do the “benefits” of vaccination outweigh the risks? A generation of neurologically damaged children? How long are test children observed? The Bell curve n Are vaccines effective? Antibodies and protection Herd immunity Epidemics in vaccinated populations Does research show vaccines are safe? Are vaccines tested for carcinogenicity? The story of Our Alexander The polio vaccine/cancer connection – SV40 Do the “benefits” of vaccination outweigh the risks? A generation of neurologically damaged children? How long are test children observed? The Bell curve n Are vaccines effective? Antibodies and protection Herd immunity Epidemics in vaccinated populations