Add Yahoo as a preferred source to see more of our stories on Google. The new flu variant, H3N2 subclade K, is a mutation of the common flu A subtype, which is often the flu "going around" come late ...

For the first time, scientists have been able to watch the flu virus live as it infects human airway cells. They developed a ...

Forbes contributors publish independent expert analyses and insights. Dr. Nina Shapiro is a physician writer who dispels health myths. More than 122 million Americans will be traveling during the ...

Onset, intensity, severity and duration of influenza seasons vary each year and are driven by factors such as temperature, rainfall, humidity, circulating virus types/subtypes, population immunity ...

Jan. 8, 2026 – Flu season is here – and it's shaping up to be a bad one. So far in 2025-26, the flu has caused 11 million illnesses, 120,000 hospitalizations, and 5,000 deaths – more than twice as ...

Reports of a "super flu" abound just in time for the holidays. Cases of respiratory illnesses are on the increase, with the Centers for Disease Control and Prevention (CDC) reporting 11 ...