Flu season is underway, and while cases are still low in Missouri, medical professionals are watching a variant called ...

A new strain of influenza is causing a vaccine mismatch, but experts assure that the flu shot still offers protection against ...

A new variant of influenza H3N2 is spreading in other countries. But that could mean the U.S. is in for a rough flu season. The mutated strain, known as subclade K, is causing a surge in cases in the ...

There are two main reasons why this year's flu season has hit the NHS so hard, according to Dr Lindsay Broadbent, Lecturer in ...

Health experts warn this flu season could be unusually severe, with early spread and concerning H3N2 strain activity across the U.S. following Australia's worst flu season.