This is a five-part series that explores the nature of vaccines, their history and the concerns that have arisen around them. Part five, Vaccine Myths Debunked, may be of special interest.

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The Vaccine Timeline

It is hard to fully appreciate how vaccines have revolutionized modern medicine. The long schedule of vaccines may seem like a hassle, and rumors about harmful effects unnerve parents. But, the fact is, vaccines have helped save millions and millions of lives. Just a few generations ago, people lived under the constant threat of deadly infectious diseases, like smallpox, polio, and hepatitis.
Let's look at the greatest infectious scourges of the past 1,000 years and how vaccines have mitigated or even eradicated the danger.

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