Eleven states are experiencing very high levels of flu and some schools have been closed by the burden on students and staff.

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

(NEXSTAR) – The map of flu activity across the United States continues to darken, both figuratively and literally, as case ...

The CDC updates on bird flu, noting low public risk despite a case confirmed in Texas, and recommends precautions for those ...

Close to 8% of visits for respiratory illness to outpatient providers, including urgent cares and doctors offices, reported to the CDC this week were people sick with influenza. That is the worst ...