Flu cases are surging across the country – more than half of states are now at “very high” levels, the most severe designation by the Center for Disease Control and Prevention – but is ...

But first, we need to address that waking up is normal. 'Sleeping through the night' is normally unachievable, because in reality all of us wake up at different times during the night, but in ...

In most people who are infected, influenza viruses can be detected starting one day before symptoms begin, and for up to five to seven days after becoming sick. At-home flu tests, which are ...

Influenza B tends to pick up in March. That said, the 2024-2025 flu season got a late start this year. Another difference is how each type affects children. Flu A tends to cause more ear ...

"Different seasons can be different," Ray agrees, and flu cases don't always spike at the same time of year. But, in general, "during the respiratory (virus) season, we tend to see A coming up ...

When it comes to the potential of H5N1 avian flu, otherwise known as bird flu, picking up mutations that might ... weed use have skyrocketed in the wake of Canada's legalization of marijuana ...

It's flu season right now, and the U.S. is in the midst of a wave that's straining hospitals. But not all influenza is the ...

It spikes, it goes up, it goes down. So accurate and timely information is really important. Flu has caused an estimated 20 million cases this season so far, a quarter of a million ...

That’s the CDC’s most severe classification for flu activity. Reports of respiratory illness are still trending upward, and lab tests for influenza are turning up about 30% positive ...

Flu cases didn't start to pick up until December 2024, according to CDC data, which is a little later in the season than usual. And, as of early February, those numbers are still increasing weekly.

It's an unusual winter for respiratory illnesses. The flu is peaking twice: once in early January and again . Meanwhile, it's ...

The United States is seeing a second peak in flu cases this season ... according to the CDC. Sign up here to get The Results Are In with Dr. Sanjay Gupta every Friday from the CNN Health team.