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Measles, Mumps, Rubella Vaccine

(MMR Vaccine; Measles Vaccine; Mumps Vaccine; Rubella Vaccine)

What Are Measles, Mumps, and Rubella?

Measles is an infection from a virus. It can cause rash, cough, runny nose, and fever. It can lead to ear infection, pneumonia, seizures, brain damage, and death.

Mumps is an infection from a virus. It can cause fever, headache, muscle pain, lack of hunger, and swollen glands. It can lead to deafness, infection of the brain and spinal cord covering, painful swelling of the testicles or ovaries, and sterility.

Rubella is an infection from a virus. It can cause rash, mild fever, or arthritis. Pregnant women who have it are at higher risk for miscarriage. Their babies may be born with birth defects.

What Is the Measles, Mumps, RubellaVaccine?

The measles, mumps, rubella (MMR) vaccine is 3 live viruses. The viruses in it have been made harmless.

It is given under the skin.

Who Should Get Vaccinated and When?

Most children should get it twice:

It can also be given to babies younger than 12 months but older than 6 months, who will travel to other countries. They should also get the 2 routine shots at ages 12 to 15 months and 4 to 6 years.

Adults born after 1956 who have not been vaccinated before may need at least 1 dose. Talk with your doctor if you were not vaccinated before.

What Are the Risks Associated With the MMR Vaccine?

Most people who get the vaccine do not have any problems. The most common ones are a fever and a rash 1 to 2 weeks after it is given. There may be redness and swelling at the site. Rare problems are:

Who Should Not Get Vaccinated?

Some people should not get it or should wait, such as:

Most children and teens should get their vaccines on time. Certain groups should not get them:

What Other Ways Can Measles, Mumps, and Rubella Be Prevented?

If you have measles, mumps, or rubella, you should be kept apart from other people to stop it from spreading. Stay home until it is over. Let others you have been in contact with know that they may have been exposed to the virus.

What Happens in the Event of an Outbreak?

A case of the measles, mumps, or rubella needs to be reported to public health authorities. If you think you or your child has it, call the doctor right away.

Anyone who may have been exposed and has not been fully immunized will need to get the vaccine.


Healthy Children—American Academy of Pediatrics

Centers for Disease Control and Prevention


Measles, mumps, and rubella vaccine. EBSCO DynaMed Plus website. Available at:https://www.dynamed.com/topics/dmp~AN~T356374/Measles-Mumps-and-Rubella-Vaccine. Updated July 9, 2018. Accessed July 17, 2018.

Measles, mumps, and rubella: vaccine use and strategies for elimination of measles, rubella, and congenital rubella syndrome and control of mumps: recommendations of the Advisory Committee on Immunization Practices (ACIP). Centers for Disease Control and Prevention, MMWR website. Available at: http://www.cdc.gov/mmwr/preview/mmwrhtml/00053391.htm. Published May 22, 1998. Accessed July 17, 2018.

MMR vaccine: What you need to know. Centers for Disease Control and Prevention website. Available at: http://www.cdc.gov/vaccines/hcp/vis/vis-statements/mmr.pdf. Updated February 12, 2018. Accessed July 17, 2018.

5/27/2011 DynaMed Plus Systematic Literature Surveillancehttps://www.dynamed.com/topics/dmp~AN~T116399/Measles: Centers for Disease Control and Prevention (CDC). Measles—United States, January—May 20, 2011. MMWR Morb Mortal Wkly Rep. 2011;60(20):666-668.

Last reviewed May 2018 by James Cornell, MD  Last Updated: 7/18/2018