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.

Covid-19 infections have been strongly linked with cardiovascular conditions like heart disease and stroke, but new research shows that other viral infections such as influenza, HIV, hepatitis C and ...

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

We get it, it's the holiday season. No one wants to get family and friends sick -- and no one wants to miss out, either. With COVID rates up across the country, health experts are urging people to ...

A new analysis adds to the research about the link between viral infections and heart disease. By Nina Agrawal A number of viral infections, including flu, Covid-19 and shingles, are linked to an ...