The cruise ship outbreak has put renewed attention on the Andes virus, a rare type of hantavirus that can spread between people and cause severe respiratory illness.
This flu season seems to be getting worse by the day, according to health officials. The bulk of this year's cases are being linked to a new variant known as subclade K.
New York City is seeing some of the highest levels in the country.
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 local doctor is voicing concerns Friday, after a federal vaccine advisory committee voted to end the longstanding recommendation that all U.S. babies get the hepatitis B vaccine on the day they're born.