Subclade K (previously known as J.2.4.1) is gaining attention because it appears to be spreading much earlier in the flu ...

The Influenza A H3N2 virus subclade K represents a change in the basic structure of the influenza virus.

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 ...

Influenza remains a significant global health burden, causing millions of visits and tens of thousands of deaths in the U.S. annually. The virus evolves constantly through antigenic drift and shift, ...

A surprising flu experiment shows that good airflow and fewer coughs can stop the virus from spreading, even up close.

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 ...

A group of volunteers spent days locked in a small hotel room with people actively infected with flu. They played games, ...