When are immunizations given?

Because children are particularly vulnerable to infection, most vaccines are given during the first five to six years of life.


Other immunizations are recommended during adolescent or adult years and, for certain vaccines, booster immunization are recommended throughout life.


Vaccines against certain diseases that may be encountered when traveling outside of the U.S. are recommended for travelers to specific regions of the world.

Show All Answers

1. Why are immunizations important?
2. Who should be immunized?
3. When are immunizations given?