MMR Vaccine (Measles-Mumps-Rubella): What You Ought to Know

The introduction and distribution of the MMR (measlesmumpsrubella) vaccine in the USA modified the trajectory of those ailments. Sicknesses that have been commonplace amongst child boomers now happen very not often. Nonetheless, vaccination is one of the simplest ways to guard your self and the individuals round you from measles, mumps, and rubella and to take care of the rarity of those ailments within the U.S.

This text supplies an outline of the MMR vaccine, describes signs and problems of measles, mumps, and rubella, and descriptions who ought to and mustn’t get the MMR vaccine.

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What Is the MMR Vaccine?

The MMR vaccine protects individuals from measles, mumps, and rubella. It’s a two-dose routine that’s sometimes beneficial to start out in early childhood. This can be very efficient at defending towards an infection and extreme sickness.


Measles is a extremely contagious illness that’s characterised by:

  • Rash
  • Fever
  • Cough
  • Runny nostril
  • Purple, watery eyes

Though the signs of measles could seem gentle, they are often deadly, particularly in kids.

One 2020 examine on the reemergence of measles discovered that 350,000 circumstances of measles have been reported worldwide in 2018, with 142,300 leading to demise. Nearly all of deaths occurred in adults with a weakened immune system or in kids beneath 5 years outdated.


Mumps is a viral sickness that causes the salivary glands to swell, creating the looks of puffy cheeks. The swelling is usually accompanied by:

Extra extreme problems of mumps embrace irritation of the testicles, ovaries, pancreas, mind, or the tissues masking the spinal twine, in addition to deafness (in uncommon circumstances).

Mumps Issues Previous to Vaccine Availability

Earlier than the MMR vaccine was obtainable, mumps was the main reason for meningitis (an irritation of the mind and spinal twine) and listening to loss in kids, in addition to hospitalization amongst army personnel. The introduction of the two-dose MMR vaccine decreased circumstances of mumps by 99%, thus lowering detrimental outcomes.


Rubella is a illness that reveals up as a rash on the face and spreads to the remainder of the physique over the course of three days, on common. Different signs of rubella embrace:

Nonetheless, in 25%–50% of rubella circumstances, individuals have no signs in any respect.

Rubella can include problems, like coronary heart and bleeding issues.

These most in danger are growing infants throughout being pregnant. If a pregnant lady who has not obtained the MMR vaccine contracts the sickness, she is at a larger danger for miscarriage or stillbirth. A child that does survive is at the next danger of growing coronary heart issues, lack of listening to or eyesight, mental incapacity, or liver or spleen injury.

Who Ought to Get the MMR Vaccine?

The MMR vaccine is beneficial for all kids, with the primary dose occurring between 12 months and 15 months. The second dose ought to be administered between ages 4 and 6.

Individuals who did not obtain the MMR vaccine in childhood can get it as an grownup. Two doses are nonetheless beneficial and ought to be separated by at the very least 28 days.

Who Ought to Not Get the MMR Vaccine?

Based on the Facilities for Illness Management and Prevention (CDC), there are particular individuals who mustn’t get the MMR vaccine. These embrace individuals who:

  • Have extreme or life-threatening allergy symptoms, or who’ve had a extreme allergic response to a dose of the MMR vaccine prior to now
  • Are pregnant or could also be pregnant
  • Have a compromised or weakened immune system
  • Have a right away member of the family with immune system issues
  • Have a situation that causes them to bleed or bruise simply
  • Have tuberculosis (contagious an infection that impacts the lungs)


The MMR vaccine is extraordinarily efficient. It presents 97% safety towards measles and rubella and 88% towards mumps in individuals who have obtained two doses of the vaccine.

One examine trying on the effectiveness of the MMR vaccine in stopping hospitalizations discovered that no little one who had obtained two doses of the vaccine was hospitalized for rubella or measles and just one totally vaccinated little one was hospitalized for mumps.

Threat and Facet Results

Along with being efficient, the MMR vaccine can be secure.

As with most vaccines or medicines, there are dangers and uncomfortable side effects that may happen. Based on the CDC, the most typical uncomfortable side effects are:

  • Soreness on the injection web site
  • Fever
  • Gentle rash
  • Non permanent joint ache or stiffness

Extra critical uncomfortable side effects can happen, so speak to your healthcare supplier you probably have issues.

Allergic Reactions

You probably have a extreme allergic response to the MMR vaccine, name 911 and go to the closest hospital.


Measles, mumps, and rubella are critical diseases that may result in lifelong well being issues and, in some circumstances, even demise. Vaccination towards MMR is the most effective technique to keep away from the long-term penalties of those ailments. The MMR vaccine has confirmed to be secure and efficient.

MMR vaccines are beneficial in childhood with a two-dose collection, however adults who haven’t obtained theirs are eligible and inspired to get vaccinated.

A Phrase From Verywell

Vaccination is the most effective software to guard your little one from measles, mumps, and rubella, all of which could be harmful. Discuss to your kid’s healthcare supplier about the advantages of vaccination and any uncomfortable side effects you ought to be conscious of. MMR vaccination won’t solely assist defend your little one but additionally these round them.

Incessantly Requested Questions

  • How lengthy does a fever after the MMR vaccine final?

    A fever from the MMR vaccine happens mostly between day seven and day 12 after receiving the injection, and sometimes lasts one or two days.

  • Must you get vaccinated after being uncovered to measles, mumps, and rubella?

    If you happen to don’t have immunity towards measles, mumps, and rubella, getting the vaccine inside 72 hours of a measles publicity might present some safety and assist to cut back the severity of the sickness. That is solely true for measles; getting the MMR vaccine after being uncovered to mumps or rubella doesn’t have the identical protecting results.

Verywell Well being makes use of solely high-quality sources, together with peer-reviewed research, to assist the information inside our articles. Learn our editorial course of to study extra about how we fact-check and maintain our content material correct, dependable, and reliable.
  1. Facilities for Illness Management and Prevention. Measles, mumps, rubella (mmr) vaccine.

  2. Misin A, Antonello RM, Di Bella S, et al. Measles: An outline of a re-emerging illness in kids and immunocompromised sufferers. Microorganisms. 2020;8(2):276. doi:10.3390/microorganisms8020276

  3. Facilities for Illness Management and Prevention. Indicators and signs of mumps.

  4. Facilities for Illness Management and Prevention. Mumps problems.

  5. Facilities for Illness Management and Prevention. Epidemiology and prevention of vaccine-preventable ailments.

  6. Facilities for Illness Management and Prevention. Rubella indicators and signs.

  7. Facilities for Illness Management and Prevention. Rubella problems.

  8. Facilities for Illness Management and Prevention. Measles, mumps and rubella vaccination: what everybody ought to know.

  9. La Torre G, Saulle R, Unim B, et al. The effectiveness of measles-mumps-rubella (MMR) vaccination within the prevention of pediatric hospitalizations for focused and untargeted infections: A retrospective cohort examine. Hum Vaccin Immunother. 2017;13(8):1879-1883. doi:10.1080/21645515.2017.1330733

  10. World Well being Group. Info sheet – noticed charge of vaccine reactions measles, mumps and rubella vaccines.

By Teresa Maalouf, MPH

Teresa Maalouf is a public well being skilled with six years of expertise within the discipline. She has labored in analysis, tobacco remedy, and infectious illness surveillance. Teresa is concentrated on presenting evidence-based well being info in a means that’s clear and approachable.

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