Weekly numbers show that 2% of U.S. deaths for week 5 were due to the flu. COVID was responsible for 1.5% of deaths in the ...

The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike ...

New Mexico, Texas and Nebraska are among the states with the highest number of people showing flu-like symptoms.

Influenza levels in the US are the highest they've been in 15 years amid winter weather and a second wave of the virus.

Schools in at least two states canceled classes at the start of this week amid a surge in influenza cases nationwide.

The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.

Levels of influenza nationwide are now at the highest they have been since the peak of the 2009 swine flu pandemic, according ...

The U.S. influenza rate is at or near its highest level in at least 15 years and is still on the rise, the U.S. Centers for ...

Influenza is surging in the U.S., with doctor's visits for flu symptoms at a 15-year high. Why is this flu season so bad?

The Centers for Disease Control and Prevention resumed publishing its weekly scientific report Thursday after an unprecedented pause, but information about the bird flu virus that was supposed to ...