Flu cases are spiking earlier than usual. What you need to know.

Known as subclade K, a new, mutated flu strain that has dominated in Europe and Asia is now rapidly spreading across the US.
NBC Washington

In severe bird flu cases, the virus can mutate as it lingers in the body

As the seasonal flu picks up, there are even more opportunities for the bird flu to acquire mutations as the different influenza viruses mix. A 13-year-old girl in British Columbia who was ...
Medical Xpress on MSN

What we know about flu variant A/H3N2 K: The strain behind 90 per cent of cases

Every winter, respiratory viruses, especially influenza, SARS-CoV-2 and RSV, put huge pressure on healthcare systems throughout Europe. In a typical season, flu causes up to 50 million symptomatic ...
NBC Chicago

In severe bird flu cases, the virus can mutate as it lingers in the body

A 13-year-old girl in British Columbia who was hospitalized with bird flu for several weeks late last year harbored a mutated version of the virus, according to a report published this week in the New ...