Health experts warn this flu season could be unusually severe, with early spread and concerning H3N2 strain activity across ...

A mutated strain of influenza A, H3N2 subclade K, is surging worldwide, sparking concerns about a severe flu season in the ...

U.S. flu rates remain low, but experts are keeping an eye on a new strain that’s been linked to unexpectedly early and severe ...

A primary care doctor shares her personal strategies for staving off viruses and keeping her immune system strong during cold ...

Strategies like washing your hands regularly and getting a flu shot go a long way towards keeping you healthy when seemingly ...

How can we monitor the cross-species transmission of avian flu? The answer is FluWarning, a digital system that reports ...

Some viruses mutate more rapidly than others. Learn more about why that is and what that means for your health.

When the days get shorter and the nights get chillier, it’s often a signal to begin taking steps to stave off cold and flu ...

The holidays can involve a lot of parties and travel, along with the spread of germs and viruses. Here’s how to boost your ...

A new flu virus variant has been sweeping across the United States, raising questions about the efficacy of this year’s flu ...

A new flu variant is causing a severe flu season in the UK and Japan; now scientists are waiting to see how that will affect ...

Learn how long the flu lasts, what symptoms occur at every stage, and what you can do to feel better and lower the risk of serious complications.