Chicago Department of Public Health Warns of Additional Measles Exposure Incidents at Union Station
The Chicago Department of Public Health has issued a warning regarding three additional measles exposure incidents that occurred at Union Station.

Chicago, IL, September 24, 2026 — The Chicago Department of Public Health (CDPH) has alerted the public to three new incidents involving potential measles exposure at Union Station. The department issued a warning detailing these occurrences, emphasizing the importance of public awareness regarding the highly contagious viral disease.
Measles is an airborne disease that can spread rapidly through respiratory droplets produced when an infected person coughs or sneezes. Symptoms typically include a high fever, cough, runny nose, red and watery eyes, and a characteristic rash that appears a few days after the initial symptoms. In some cases, measles can lead to serious complications, including pneumonia, encephalitis (swelling of the brain), and even death.
The specific dates and times of these three additional exposure incidents at Union Station were not immediately provided. The Chicago Department of Public Health has not released details regarding the number of individuals potentially exposed or the specific areas within Union Station affected by these incidents. Information concerning the vaccination status of the individuals involved or the source of the exposure was also not made available.
Union Station, a major transportation hub in Chicago, serves hundreds of thousands of travelers and commuters daily. Given the high volume of foot traffic, any potential exposure to a contagious disease like measles raises public health concerns. The CDPH typically advises individuals who may have been exposed to monitor for symptoms and consult with a healthcare provider if they become ill. Vaccination remains the most effective way to prevent measles.
Further details regarding recommended actions for individuals who may have been at Union Station during the unspecified exposure periods are expected to be released by the CDPH. The department encourages residents to stay informed through official channels and to ensure their measles vaccinations are up to date. The contractor’s name was not provided, nor were specific outcomes of any inspections related to these incidents. The fine amount, if any, was also not provided.
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