The latest data on respiratory illness in the United States shows that shoppers and merry-makers are spreading more than just ...

Mexico has confirmed its first case of influenza A(H3N2) subclade K, a variant commonly referred to as the "super flu," ...

A case of bird flu was detected in a dairy cattle herd Sunday amid a bipartisan push for USDA to accelerate review of a ...

The UK is facing a surge of hospitalizations fueled by the novel variant subclade K. And the U.S. is likely next.

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

Flu-like activity is up in some parts of the United States, according to the Centers for Disease Control and Prevention.The ...

A new mutation of influenza is causing an increase in flu cases and hospitalizations in Texas and across the country early in this year’s flu season.

Concerns about the spread of influenza are growing in the U.S. as the U.K. sees a flu surge in children and young adults.

So far, just 36 percent of U.S. children have been vaccinated—down 23 percent from a half-decade earlier, likely due to ...

The prime minister says it would be "reckless" for resident doctors to strike with the NHS at a "precarious" moment.

Three children in Ottawa and Eastern Ontario have died from flu-related complications in the past two weeks, public health ...

NHS Dumfries and Galloway has restricted hospital visits as part of efforts to stem rising flu and norovirus cases in the ...