Flu-related pediatric deaths have doubled since last week, according to the CDC. Here's what to know this week, including ...

Medical experts debunk flu shot myths: vaccines use inactive virus that cannot cause illness. Discover what side effects actually mean for your immunity.

The CDC estimates there have been at least 19 million cases so far this season.

Flu cases are ticking down, but experts warn the U.S. isn’t out of the woods yet.

Feeling under the weather? You could have Influenza Type A. Here's the difference between Influenza Type A and Type B.

Flu cases and hospitalizations are surging, already breaking last season's records. Here's where activity is highest, what ...

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

All viral activity benchmarks have gone down, except for a slight increase in the death rate. Here's what to know about the ...

Flu activity continues to remain elevated across the U.S. with at least 18 million cases, according to newly released data ...

The Influenza A H3N2 virus subclade K represents a change in the basic structure of the influenza virus.

The spread of influenza-like illness has reached "very high" levels in Michigan, according to the U.S. Centers for Disease Control and Prevention.

Flu activity is surging and expected to continue. Meanwhile, the Florida Health Department hasn't released a weekly report in ...