How much do you know about vaccine history? Take this quiz and test your knowledge. Share your results on our @COHemployeenews Facebook and Twitter pages.

1. In 1916, rumors circulated that candy was the cause of which infectious disease?
2. When are pregnant women recommended to receive the Tdap vaccine?
3. President James Garfield experienced the loss of two of his children from vaccine-preventable diseases. What diseases were they?
4. What U.S. president survived infections with smallpox, diphtheria and malaria?
5. Why are people 50 years of age and older recommended to get a shingles vaccine when most of them have had chickenpox?
6. Which disease no longer infects any person in the world because of a successful vaccination program?

See the answers.