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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A new flu variant known as subclade K is on the rise across the country. Although a spike in this particular strain of influenza, ...

A "new" virus in California has reached New Jersey as cases of HMPV in NJ have spiked in recent days, with the human metapneumovirus (HMPV) having no treatment and no vaccine, according to the Centers ...