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

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 ...

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.

Serious infections with influenza A viruses are characterized by an excessive immune response, known as cytokine storm. It was previously unclear why some virus strains trigger these storms, while ...

A new flu strain has been detected, with the variant dubbed influenza A subclade K. How severe is the strain and does the ...

The 2024-25 flu season continues to see elevated activity across the country, according to the U.S. Centers for Disease Control and Prevention. The influenza activity map shows 43 jursidictions with ...