Outbreak News Today The Chicago Department of Public Health (CDPH) report since September this year, There have been five confirmed cases of measles in the surrounding Chicago area- four cases in suburban Cook County residents, and one case in a Lake County, Indiana resident.
The four measles cases in suburban Cook County are epidemiologically linked. The index case in this outbreak was believed to have acquired measles during international travel. Additional linked cases in non-Illinois residents have been confirmed following exposure to the index case on an airplane that flew into O’Hare International Airport. The case in Lake County, IN was identified the week of October 13 and occurred in an unvaccinated child.