Although it is effective, the vaccine against pertussis (better known as whooping cough) can become less effective as the years go on. In this video, Lisa Thornton, MD, explains how booster shots can keep your immunity strong.
Medically reviewed in April 2020.
Measles, mumps, and other preventable diseases are on the rise. Here's how to keep kids safe.
No, immunizations aren't linked to autism.
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