Official Site of The State of New Jersey
Healthy New Jersey
New Jersey Measles Update (4/2/26)
The US continues to experience an increase of measles cases, with outbreaks occurring in multiple states. See CDC’s national measles case counts for details.
NJDOH is alerting residents that measles virus was detected in a wastewater sample from a treatment plant that serves areas of Bergen, Passaic, Hudson, Union, and Essex counties. No cases in New Jersey residents have been identified in this region. Please see recent press release (link) for more information.
To date, no measles cases have been reported in NJ for 2026. A total of 12 measles cases were reported in NJ in 2025, with the most recent confirmed case in October 2025.
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
The New Jersey Department of Health (NJDOH) is alerting the public to a possible measles exposure associated with a new case of measles in a non-NJ resident. Please see exposure table and recent press release for more information. Anyone unvaccinated or at risk should monitor for symptoms for 21 days from the exposure date. The table below lists confirmed dates, times, and locations of potential exposure and will be updated as needed.
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 to protect others.
Location
Date & Timeframe of Exposure
Monitor for Symptoms Until
- March 26, 2026-NJ Health Department Issues Advisory Following Measles Detection in Wastewater; No Clinical Cases Identified [English][Spanish]
- February 10, 2026 - NJ Health Department Alerts Residents of New Potential Exposures from a non-NJ Measles Case Who Visited a Medical Facility While Infectious, 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
