The Centers for Disease Control and Prevention recommends the vaccine for all children.
They won’t receive their booster dose until ages 4 to 6 years.
Groups at Risk for Measles Complications
Kids younger than age 5 are more vulnerable to measles complications.

Illustration by Emily Roberts for Verywell Health
This can put them at risk when they travel to other countries or encounter exposure during a U.S. outbreak.
It is unknown whether the components of this MMR vaccine are excreted in human milk.
Is the Measles Vaccine Safe?

Get our printable guide for your next doctor’s appointment to help you ask the right questions.
Rarely, joint swelling may occur in older teens and adults.
A vaccine dose within 72 hours of a possible exposure may offer some protection and milder illness.
Don’t assume you’re protected and check your own, too.
On February 12, 2009, a U.S. federal court ruled that vaccines do not cause autism.
It is safe and effective for use in children and adults whose vaccination was not fully completed in childhood.
Keep in mind that MMR vaccination can be especially important during a measles outbreak.
Measles can prove fatal, so take the risk of measles exposure seriously.
Get our printable guide for your next doctor’s appointment to help you ask the right questions.
Centers for Disease Control and Prevention.Measles.
Johns Hopkins Bloomberg School of Public Health.Measles Outbreaks in the U.S.
Highlight the Importance of Vaccination.
Centers for Disease Control and Prevention.Plan for travel.
Centers for Disease Control and Prevention.Chapter 7: measles.
Centers for Disease Control and Prevention.Measles Symptoms and Complications.
2024 Apr 16;72:102594. doi:10.1016/j.eclinm.2024.102594
Centers for Disease Control and Prevention.Questions about measles.
Food and Drug Administration.Prescribing information - Priorix.
Centers for Disease Control and Prevention.Measles Vaccination.
Center for Disease Control and Prevention.How measles spread.
Centers for Disease Control and Prevention.Who should NOT get vaccinated with these vaccines?
Institute for Vaccine Safety.Potential Allergens in Routinely Recommended Vaccines.
Eggertson L.Lancet retracts 12-year-old article linking autism to MMR vaccines.CMAJ.
2010;182(4):E199-200.
doi:10.1503/cmaj.109-3179
CIDRAP.US court rejects vaccines-autism link.
Centers for Disease Control and Prevention.Chapter 13: measles.