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 ...

The new flu variant that is currently raising concerns for its ability to partially evade the immune system and the seasonal ...