A novel influenza variant called subclade K appears to be driving an uptick in cases and hospitalizations throughout the U.S.

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.

Health leaders are raising concerns about subclade K, a variant of influenza A that has mutated from the original H3N2 strain ...

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

Ahead of the holiday tourist rush, city health officials in New York City reported nearly 14,000 flu cases in the first week ...

The level of flu varies by state. But overall, more people have recently tested positive for influenza, with flu-related visits to ER and outpatient centers ticking up this week nationally compared to ...

Ahead of the holiday tourist rush, city health officials in New York City reported nearly 14,000 flu cases in the first week ...

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

However, getting vaccinated for the flu is still your best chance at preventing severe disease. It can also stop you from ...

Doctors say a new H3N2 flu variant is behind rising cases in North Texas. Though the vaccine is a partial match, it still ...