Moderna was seeking approval for the vaccine's use in adults over 50.
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.
Concerns about the spread of influenza are growing in the U.S. as the U.K. sees a flu surge in children and young adults.
A young Michigan boy is issuing a warning about the flu, after a case of it changed his whole life.
Gov. JB Pritzker signed a bill Tuesday morning to strengthen vaccine access in Illinois after recent decisions from the Trump administration.
Some local doctors are concerned about a new strain of the flu called subclade K that is resistant to the vaccine just before people get together for the holidays.