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 ...

Forbes contributors publish independent expert analyses and insights. Dr. Omer Awan is a practicing physician who covers public health. A new mutated strain of the common flu, Influenza H3N2, subclade ...

The United States may be heading into its second severe flu season in a row, driven by a mutated strain called subclade K that’s behind early surges in the United Kingdom, Canada and Japan. Now, with ...

Flu season isn't in full swing yet in the United States, but a mutated strain of the virus that caused severe outbreaks abroad is sparking concern about the winter ahead. A new version of influenza A ...

A mutated version of the flu is causing a wave of infections around the world. Known as subclade K, it may evade the current flu vaccine. Infectious disease doctors say we may be in for a bad flu ...

Massachusetts could be headed for a sharp uptick in flu cases in the coming weeks, public health experts warn, as a newly mutated strain is surging in the United Kingdom and appears to be only a ...