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Health Officials Confirm DuPage County's 1st Measles Case Of 2026; Officials Say Resident Was Vaccinated
Permanent address · /il/cook-county/2026/10/21/health-officials-confirm-dupage-countys-1st-measles-case-of-2026-officials-say-428828
Status
Reported, not yet confirmed
Independent sources
5
First seen
Oct 21, 11:33 AM CDT
updated Oct 22, 10:31 PM CDT
Topic
Local News
Reported by WGN-TV, WFLD and 3 others, not yet confirmed.
What Happened
Health officials confirmed DuPage County's first measles case of 2026, identified in a vaccinated resident who traveled through Chicago's O'Hare airport in a rare breakthrough infection, WGN-TV and the Chicago Sun-Times reported. The incident also prompted an exposure alert at the airport, according to WLS-TV.
Written by our system from the sources below (5), version 5, Oct 22, 10:56 PM CDT. Official warnings are never rewritten: they are quoted as issued.
- DuPage County measles case prompts exposure alert at Chicago's O'Hare airport · WLS-TV
- DuPage County confirms measles case for vaccinated resident who traveled through O'Hare Airport · Chicago Sun-Times
- DuPage County reports measles case in vaccinated resident in ‘rare breakthrough infection' · WMAQ-TV
- DuPage County confirms first measles case of 2026 · WFLD
- Health officials confirm DuPage County's 1st measles case of 2026; officials say resident was vaccinated · WGN-TV
Sources · Copies Of One Story Count Once
How It Unfolded
Official Confirmation
No official source confirms this yet. It is reported, not confirmed.
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Cook County and its neighbours, as they are right now. The event is placed on the county; it is not drawn as a point.