What would happen if all vaccination suddenly stopped? Nothing at first, then periodic epidemics of deadly diseases affecting the most vulnerable first and then the rest of us.
Two parents in Toronto, Canada, are fighting over whether to protect their children from vaccine-preventable diseases.
In the 1960s, the United States experienced an epidemic of rubella that resulted in thousands of lost pregnancies and thousands of children with disabilities. Will the reduced uptake of the MMR vaccine bring back those days?
Read how news got to America that Louis Pasteur had developed the rabies vaccine in France back in 1885.
A US Senator died from smallpox in 1854, and a letter to the editor of The New York Times complained about the manner in which the body was treated.