search
Illinois Department of Public Health
Trends
- 1Illinois reports 23 measles cases in 2026▼Illinois reports 23 measles cases in 2026, urges residents to check vaccinations
Illinois health officials have confirmed 23 measles cases so far in 2026 and are urging residents to verify their vaccination status. The state's public health department is encouraging people to check that they and their children are up to date on the MMR vaccine as officials work to contain the outbreak.
- 2Illinois Health Department Urges Measles Vaccination as Cases Rise●IDPH Urges Illinoisans to Get Vaccinated Against Measles as Cases Rise
The Illinois Department of Public Health is urging residents to get vaccinated against measles as the number of cases in the state climbs. Officials are stressing that the measles vaccine is safe and highly effective, and are encouraging people to check their immunization records, particularly before travel or gatherings. The warning comes amid a broader rise in measles activity and declining vaccination rates in parts of the United States.