The U.S. flu season is starting slowly, and it's unclear if it will be as bad as last winter's, but some health experts are ...

The mutated strain, known as subclade K, is causing a surge in cases in the United Kingdom, Canada, and Japan. Here's what to know.

Flu cases are growing or likely growing in 39 states, according to the latest Centers for Disease Control and Prevention data from Nov. 11.

NEW YORK (WABC) -- Flu season is not over yet, but recent studies show improvement. According to the Center for Disease Control, the percentage of pneumonia and influenza-related deaths this past week ...

Some scientists say this year's flu shot isn't well matched to a key strain that could spread widely in the months ahead. So, ...

Health experts recommend everyone ages 6 months and older get an annual flu vaccine. For those averse to needles, there’s a nasal spray vaccine that can be delivered to your home. COVID test ...

As the weather cools down, flu season is heating up, prompting medical experts to encourage Canadians to get their flu shots. With various strains of influenza circulating and a rise in ...

Your flu shot may not be as effective as it should be this flu season, according to the Centers for Disease Control and Prevention. An advisory issued to doctors Wednesday noted that less than half of ...

A new strain of the flu called subclade K could make for a particularly nasty flu season across the country, according to public health experts. The strain already caused Japan to declare an influenza ...

Doctors are once again expressing their disappointment over the latest flu vaccine. The CDC reports that the vaccine failed miserably against a flu bug that popped up halfway through the season. In ...

It's flu season in Canada, and as the number of infections and hospitalizations start to rise, medical experts are urging ...