Is it flu A or flu B, and how long is it contagious? Here's what to know about the flu virus running rampant in Michigan.

A new flu strain has been detected, with the variant dubbed influenza A subclade K. How severe is the strain and does the ...

World Health Network experts urge WHO to make N95, KN95, or FFP2 respirators the standard for protection for healthcare ...

Flu cases continue to climb nationwide, with the majority stemming from the new subclade K strain dubbed the "super flu." ...

New York’s health department said the week ending Dec. 20 marked the most flu cases the state had recorded in a single week since 2004 - 71,000.

Have you been sick since the new year started? You're not alone; here's what to know about new H3N2 flu strain and its ...

Much of the country is facing record flu cases thanks to a new strain of the virus. And the "subclade K" variant is likely ...

Influenza cases are down across the United States, but a new flu strain mutation identified in August is causing a spike in ...

Subclade K, which is circulating in Arizona, has been dubbed a 'super flu' but some experts say that's not an accurate ...

Massachusetts continues to suffer through one of the worst influenza seasons in recent memory, despite seeing a slight dip in ...

At least 11 million people have gotten sick, and 5,000 people have died from the flu this season, including nine children.

Genetic analysis performed by the county’s new public health lab shows that the variant has been in the region since late September ...