Influenza is on the rise. Flu activity was "high" or "very high" in 32 states and jurisdictions, as of Dec. 30, according to ...

Influenza viruses are among the most likely triggers of future pandemics. A research team has developed a method that can be used to study the interaction of viruses with host cells in unprecedented ...

At the start of 2025, health officials in Louisiana reported the first U.S. bird flu death and experts questioned whether ...

The United States is in the grip of an aggressive winter flu season, with the U.S. Centers for Disease Control and Prevention (CDC) having recently reported a surge in visits to doctors on a scale not ...

On the surface of the influenza virus are two molecular "keys": hemagglutinin (HA) and neuraminidase (NA). They are the virus's lockpicks, the tools that let it slip into our cells and spread from one ...

The “super flu” behind outbreaks in the US and UK is a new variant of influenza A H3N2, subclade K. Existing vaccines appear ...

Flu season is off to a rough start this year, according to new CDC data. The virus is spreading faster than in previous years ...

Flu cases are slowly rising in Illinois in the lead-up to holiday gatherings this week, so what should you know before you ...