A Washington resident died of complications from an infection with a bird flu strain never before reported in humans, the state Department of Health said on Friday.

The Washington state resident, an older adult with underlying conditions, was infected with a strain that has previously been ...

For the flu, vaccination trends are a little muddier. Some sources have suggested flu vaccinations are down. Over two million ...

The mutated strain, known as subclade K, is causing a surge in cases in the United Kingdom, Canada, and Japan. Here's what to ...

As flu season begins in Europe, vaccination rates remain “sub-optimal” in many countries, new health data shows. The flu ...