Is stomach bug going around Chicago, Illinois?

Not right now. No confirmed stomach bug activity has been reported at Chicago, Illinois schools and daycares in the past 14 days. That can mean it is quiet, or simply that nobody nearby has logged it yet.

Updated September 15, 2026, based on 7 parent reports in the last 14 days 1472 Chicago schools and daycares tracked

How Chicago parents can tell

  • Sudden vomiting
  • Watery diarrhea
  • Stomach cramps
  • Low-grade fever or chills

Norovirus spreads for up to 48 hours after the last episode of vomiting or diarrhea, and hand sanitizer does not kill it.

Everything on this page comes from Chicago parents logging what their kids actually had, stripped of anything identifying. Nothing shows up until at least two families report the same thing, so one sick child never puts a school on the map.

Read the full stomach bug guide

Everything reported in Chicago (past 14 days)

  • Cough4 logs
  • Runny nose3 logs
  • Sore throat3 logs
See the full Chicago health picture

Other illnesses in Chicago

Chicago schools and daycares we watch for stomach bug

Follow a school to get a heads up the moment stomach bug is logged there.

See all 500 Chicago schools

Stomach Bug in nearby Illinois towns

Know before it reaches your house

Follow your Chicago school and get a heads up when stomach bug shows up.

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