Illinois Sees Worst Flu Season in Over 15 Years

At least 100 people have died from the flu in Illinois this season, according to health officials.

Jan. 29, 2026 at 12:47am

Got story updates? Submit your updates here. ›

Illinois is experiencing its worst flu season in more than 15 years, with at least 100 people dying from the virus so far this season, according to the state's Department of Public Health. The flu is spreading rapidly, with children and the elderly being hit particularly hard.

Why it matters

The severe flu outbreak in Illinois is straining the state's healthcare system and raising concerns about the availability of flu treatments and hospital beds. Public health officials are urging residents to get vaccinated and take precautions to prevent the further spread of the virus.

The details

According to the Illinois Department of Public Health, at least 100 people have died from the flu in the state so far this season. The majority of the deaths have occurred this month alone. Health officials say the flu is spreading rapidly, with children and the elderly being the most impacted groups.

  • The current flu season in Illinois began in October 2025.
  • At least 100 flu-related deaths have occurred in Illinois as of January 2026.

The players

Illinois Department of Public Health

The state agency responsible for monitoring and responding to public health issues in Illinois.

Got photos? Submit your photos here. ›

The takeaway

The severe flu outbreak in Illinois underscores the importance of getting an annual flu vaccine, especially for vulnerable populations like children and the elderly. Public health officials are urging all Illinois residents to take precautions to prevent the further spread of the virus and avoid straining the healthcare system.