Health officials say that it's likely others have been exposed to the measles virus.

The case was confirmed Tuesday and the person is no longer infectious. However, officials say the person may have exposed others before realizing he or she was sick.

U.S. News:

The Cook County Department of Public Health says the diagnosed person has a recent travel history to another country that has ongoing measles transmission.

Measles symptoms include fever, rash, cough, runny nose and red, watery eyes. Officials issued a list of places in Chicago and the northern suburbs and said if you have symptoms and were at one of the places on the list earlier this month you should call your health care provider.

Centers For Disease Control and Prevention:

From January 1st thru March 21st, 2019, 314 individual cases of measles have been confirmed in 15 states.

The states that have reported cases to CDC are Arizona, California, Colorado, Connecticut, Georgia, Illinois, Kentucky, Michigan, Missouri, New Hampshire, New Jersey, New York, Oregon, Texas, and Washington.