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When should my child be vaccinated for Hib (H. influenzae type b)?

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The CDC says an infant should get the first dose of the Hib vaccine at age 2 months, the second at 4 months, and the third, depending on the vaccine, at 6 months. Both vaccines require a booster shot between 12 and 15 months.

No child younger than 6 weeks should get the vaccine. Doing so in the first 6 weeks of life could prevent the baby from responding to later Hib vaccine doses. Most newborns have an immunity to Hib that was passed to them by their mother. This wears off eventually.

From: Hib (H. influenzae Type B) Vaccine WebMD Medical Reference

SOURCES:

Pediatrics , published online Feb. 1, 2011.

Immunization Action Coalition: “Hib Vaccine Questions and Answers.”

The Children’s Hospital of Philadelphia Vaccine Information Center: “A Look at Each Vaccine: Hib Vaccine.”

CDC: "Is Your Baby Protected against Hib Disease?"

Reviewed by Renee A. Alli on September 08, 2018

SOURCES:

Pediatrics , published online Feb. 1, 2011.

Immunization Action Coalition: “Hib Vaccine Questions and Answers.”

The Children’s Hospital of Philadelphia Vaccine Information Center: “A Look at Each Vaccine: Hib Vaccine.”

CDC: "Is Your Baby Protected against Hib Disease?"

Reviewed by Renee A. Alli on September 08, 2018

NEXT QUESTION:

What should I do if my child misses a Hib vaccine dose?

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THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.

    This tool does not provide medical advice. See additional information.

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