Chicago-area healthcare providers are stocked up with influenza and COVID-19 vaccines, but some doctors say it's been a tough sell this year.

Super flu driven by H3N2 variant spreads across the US alongside norovirus as holiday travel peaks, raising outbreak risks and prompting health warnings from officials.

The latest data on respiratory illness in the United States shows that shoppers and merry-makers are spreading more than just holiday cheer: They’re also passing around germs. In many cases, it’s a new virus variant that’s been causing early and busy flu seasons in Asia,

Cases of the flu continue to mount with health officials recently recording the first pediatric flu-related deaths of the season, but some states are seeing much higher activity than others.

Health officials have warned this season’s flu is being driven largely by the newly identified H3N2 subclade K strain.

After a rough, record-setting flu season, doctors and health officials are bracing for another wave of fever, misery and respiratory distress. In the U.K., health officials are warning about an early rise in flu levels among children and young adults.

As signs point to a more-severe-than-normal flu season this year, hospitals might see more congestion among patients and in physical capacity. Several variables are intensifying this outlook as a new variant emerges, inoculation rates fall and measles ...

Influenza cases are slowly rising in Illinois, signaling the beginning of flu season. Is the cold weather to blame?

A school district in the south suburbs is moving to an e-learning day on Friday due to a widespread illness. The Troy Community Consolidated School District 30-C announced the decision to keep students home after a "stomach illness spread to students and staff.