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How effective are childhood immunizations?

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Most childhood immunizations are 90%-100% effective.

However, it's not clear why, but sometimes a child will not be fully immunized against a disease after they get a vaccine. This is all the more reason to vaccinate. Kids in whom the vaccine is 100% effective protect those few who have not been completely immunized -- lowering everyone's chance of getting the disease.

Even if your child gets a vaccine but gets that disease anyway, the symptoms will usually be milder than if he or she had not gotten a vaccine.

From: Immunizations and Vaccines WebMD Medical Reference

SOURCES:  CDC. National Immunization Program, CDC.

Reviewed by Smitha Bhandari on May 20, 2018

SOURCES:  CDC. National Immunization Program, CDC.

Reviewed by Smitha Bhandari on May 20, 2018

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Why should you vaccinate kids against diseases that are rare today?

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