Before making decisions about vaccination, it’s important to get the facts. This site was created to help you do just that. Here, you’ll find information on vaccines: how they work, what’s in them, benefits and risks, and more.

Scroll down to learn about common vaccine myths

Most vaccines for children only help prevent mild diseases.

Myth 1

Many diseases can be serious. Choosing not to vaccinate may put your child at risk.

Fact 1

It’s better to build up immunity by getting the disease than by getting vaccinated.

Myth 2

Vaccinating helps children build up defenses while reducing the chances of getting sick from the disease.

Fact 2

My child only needs school-required vaccines.

Myth 3

The CDC recommends vaccines for preteens—even beyond the ones required by many schools.

Fact 3

The newer vaccines haven’t been thoroughly tested.

Myth 4

Before it’s made available to the public, a vaccine must be studied for many years. Even after approval, vaccines continue to be monitored for safety.

Fact 4

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