The New Jersey Department of Health is warning residents that two people with measles may have exposed others in the state.
A person with measles stopped briefly in the state on April 30 while on a tour bus traveling from Niagara Falls to Washington, D.C.
In Bergen County, a resident developed measles after contact with an international traveler who was ill with measles.
The incidents were unrelated.
According to the agency, if anyone has been to any of the following locations, they may be at risk:
The Towne Center Apartments in Englewood, anytime between April 24 and May 2.
The Renaissance Office Center in Englewood on April 30 between 1 and 3:45 p.m.
Terminal C at Newark Liberty International Airport on May 2 between 11 a.m. and 3:30 p.m.
The Columbia Travel Center on I-80 and Route 94 on April 30 between 9:45 a.m. and 12:20 p.m.
The Department of Health recommends people make sure all their vaccinations are up to date.
Measles symptoms include rash, high fever, cough, runny nose and red, watery eyes.