COVID-19 activity is rising in much of the country. Data released Friday by federal health officials shows overall ...

The 2025 flu season is the worst in over a decade, with record-high infections, hospitalizations, and a rare second peak.

Severe flu seasons in recent years have brought to light a little-known danger of influenza infections in kids: a rare brain ...

Acute necrotizing encephalopathy is a severe neurologic condition that can result in brain damage and swelling following a ...

The Centers for Disease Control and Prevention pulled back a public health campaign promoting the flu vaccine as cases of the flu have surged in recent weeks. The now-defunct “Wild to Mild ...

At least 11 children in the U.S. have died from influenza-associated acute necrotizing encephalopathy since October 2023, a ...

Cases of COVID-19 are now likely growing in 25 states, according to estimates published by the Centers for Disease Control and Prevention on Friday, as this year's summer wave of the virus appears to ...