Tis the season for sniffling, coughing and calling out of work. Here's what to know about the pathogens circulating in the ...

Known as subclade K, a new, mutated flu strain that has dominated in Europe and Asia is now rapidly spreading across the US.

The number of flu patients in hospital in England has risen by 18%, following a 55% increase the week before. Other UK-wide ...

Flu season is starting to ramp up as the U.S. settles into the colder weather months and indoor gatherings potentially fuel the spread of viruses.

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

The latest data on respiratory illness in the United States shows that shoppers and merry-makers are spreading more than just holiday cheer: They’re also passing around germs. In many cases, it’s a ...

The flu is skyrocketing in NJ, but is it too late to get the shot? Is it even effective, and will it make me get sick? Here's ...

"The flu" has several strains, with flu A and flu B considered the most common and most severe. Here's what to know as flu ...

Flu cases have fallen across Scotland, dropping by 20% in the week to 14 December, official health figures show.

The rise in patients in hospital in England with flu has started to slow despite a record December, new figures show. It ...

The flu virus is hitting New York City hard, according to data published Thursday by the New York City Health Department. As ...