Official Site of The State of New Jersey
Healthy New Jersey
New Jersey Measles Update (5/9/25)
NJDOH is aware of increased US measles cases in 2025. See CDC’s national measles case counts for details.
There is no ongoing community spread in NJ. NJ has reported 3 cases in 2025 - all were part of a household outbreak in February.
NJ residents: Make sure you’re up to date on MMR and other routine vaccines, especially before travel. If traveling internationally with an infant (6–11 months), talk to your pediatrician about the MMR vaccine.
Measles is preventable
It spreads easily and can be serious—but the MMR vaccine offers strong protection. Whether you're traveling, think you’ve been exposed, or just want to stay informed, this site provides the guidance you need to protect yourself and your community.
Measles Exposures in New Jersey
As of May 9, 2025, there are no known active measles exposure sites in New Jersey. Individuals exposed at the previously reported exposure sites would have been expected to develop symptoms no later than April 26, 2025.
However, with increased measles cases in the US and globally, NJ residents could still be exposed to measles.
Anyone who suspects a measles exposure, or suspects they may have measles, should NOT visit any medical facility without calling ahead so special arrangements can be made while also protecting others.
Location
Date & Timeframe of Exposure
Monitor for Symptoms Until
There are no known active exposure sites in New Jersey at this time
- April 11, 2025 - NJ Health Department Alerts Residents of Potential Exposures from Two Unrelated Measles Cases, Urges Individuals to Stay Up to Date on Vaccines [English] [Spanish]
- April 2, 2025 - NJ Health Department Alerts Residents of New Potential Exposures from a Non-NJ Measles Case, Urges Individuals to Stay Up to Date on Vaccines [English] [Spanish]
- March 28, 2025 - NJ Health Department Alerts Residents of Potential Exposures from Two Unrelated Measles Cases, Urges Individuals to Stay Up to Date on Vaccines [English] [Spanish]
Measles Information
How it Spreads
Measles is easily spread from person to person. Anyone who is not protected against measles is at risk.
Vaccination and Prevention
Measles can be prevented with the measles, mumps, and rubella (MMR) vaccine. The MMR vaccine is very safe and effective.
Exposed to Measles?
Learn what to do if you have been in a situation where you could catch the virus.
Measles and Travel
Measles cases in the United States typically originate from unvaccinated international travelers. Protect yourself with the MMR vaccine before travel.
Information for Health Care Professionals
