Flu symptoms typically lasts at least five days and up to two weeks. Some symptoms, like a cough, may persist even longer ...

Flu cases are slowly rising in Illinois in the lead-up to holiday gatherings this week, so what should you know before you ...

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Scientists have warned H5N1 bird flu could make a dangerous leap to humans, triggering a global health crisis.

A new strain called H3N2 subclade K has emerged, raising concerns that the body may not be able to fight it off as well.

In the controlled setting of a lab, scientists are zeroing in on what makes the flu tick. "I think the pandemic has really brought greater attention to this type of research and the need for it," said ...

Subclade K has become the dominant form of flu and is slightly different from the virus targeted by this year’s flu vaccine.

Cases of the flu continue to mount with health officials recently recording the first pediatric flu-related deaths of the ...

Flu cases are spiking across Minnesota as holiday gatherings fuel spread. Learn why this season is severe, who’s most at risk ...

Medical experts say getting a yearly flu vaccination is the best way to prevent flu and its potentially serious complications.

Norovirus, also known as the "stomach flu" or "winter vomiting sickness," is active in California and across the nation. But ...