Flu cases are rising across the U.S. Here's what you need to know about symptoms, flu duration and the new strain ...

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

The last available tracing data from the CDC found that 91% of the 600 U.S. flu cases that were tested between Dec. 22 and 28 ...

It’s too early to have data on how long most people are sick with subclade K, but Dr. Schaffner says he’s heard anecdotes of ...

After reporting was delayed due to the holidays, new CDC data shows the flu is spreading, with 33,000 people hospitalized ...

There were 12,211 reported cases of the flu for the week that ended Dec. 27 compared to 5,796 for the same period in 2024.

Among the states with the highest levels of flu activity are Colorado, Louisiana, South Carolina, New Jersey and New York, ...

Even without a perfect match, public health experts say the flu vaccine offers important protection against serious ...

Subclade K, which is circulating in Arizona, has been dubbed a 'super flu' but some experts say that's not an accurate ...

This year's flu season is turning out to be brutal. As a new variant known as subclade K spreads rapidly, a study out today ...

Emergency departments and doctors’ offices are also seeing more patients with influenza, the data showed, as a new variant ...

Schools in New Jersey are seeing more students out sick with flu, and the Trump administration move to make the flu vaccine optional causes alarm.