The Illinois Department of Public Health (IDPH) is sounding the alarm on a potential measles exposure at Chicago O’Hare International Airport. Here's what you need to know.

Health officials issued an urgent advisory for individuals potentially exposed to measles at certain locations. Those not immune should contact their health care provider for post-exposure

How many measles cases in Illinois? So far, the health department has only reported one case in Illinois in 2025. The department said in a press release, "The risk of measles transmission for the ...

Measles cases have shown up in different parts of Illinois. While the outbreaks have been smaller than what some states are experiencing, many residents — including parents — are worried about the risks.

The number of measles cases in the U.S. has risen to 1,024 with infections confirmed in 30 states, according to new CDC data published Friday.

As of May 8, the U.S. has logged more more than 1,000 measles cases across 31 states — compared to 285 cases in all of 2024.

The Centers for Disease Control reports 800 confirmed cases of measles in 26 states including Missouri and Illinois.

There have been 1,001 confirmed cases of measles across 30 states so far this year, according to the latest update from the CDC on Friday, an increase of 66 over the previous week and far surpassing the 285 measles cases in total reported in 2024 (the CDC does not provide data on how many cases are actively infectious).

Confirmed U.S. measles cases broke 1,000 in the second week of May, surpassing last year's total by nearly four times.

ILLINOIS, USA — The Illinois Department of Public Health on Wednesday reported the state's first confirmed case of measles in 2025. According to the state health department, the case in an adult ...

The number of measles cases in the U.S. has risen to over 1,000 cases, according to new data from the Centers for Disease Control and Prevention (CDC) on Friday. As of May 15, a total of