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What's in the MMR vaccine?

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As with many vaccines, the MMR vaccine works with your immune system to build up protection by putting a small amount of the virus into your body. The safest and most effective ingredients in the MMR vaccine used today include "attenuated" forms of each virus, which means they're live forms of the virus made weak in medical labs.

From: MMR Vaccine for Adults WebMD Medical Reference

SOURCES:

CDC: "Recommended Adult Immunization Schedule: United States, 2010," "Measles Vaccination," "Measles (Rubeola)," "Mumps," "Mumps Vaccination," "Rubella (German Measles) Vaccination," "Measles, Mumps & Rubella Vaccines: What You Need To Know," "Measles Vaccination: Who Needs It?" and "Mumps Vaccination: Who Needs It?"

National Foundation for Infectious Diseases: "Facts about Measles for Adults."

Immunization Action Coalition: "Vaccinations for Adults."

World Health Organization: "Measles."

Reviewed by Jennifer Robinson on November 15, 2018

SOURCES:

CDC: "Recommended Adult Immunization Schedule: United States, 2010," "Measles Vaccination," "Measles (Rubeola)," "Mumps," "Mumps Vaccination," "Rubella (German Measles) Vaccination," "Measles, Mumps & Rubella Vaccines: What You Need To Know," "Measles Vaccination: Who Needs It?" and "Mumps Vaccination: Who Needs It?"

National Foundation for Infectious Diseases: "Facts about Measles for Adults."

Immunization Action Coalition: "Vaccinations for Adults."

World Health Organization: "Measles."

Reviewed by Jennifer Robinson on November 15, 2018

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What side effects can the MMR vaccine cause?

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