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 ... the CDC notes that H1N1- and H3N2 ...

The explosion in cases has triggered new public health alerts in 2025, detailing everything from avian flu symptoms in humans ... any potential human cases early. One recommendation includes ...

Specifically, the CDC notes that H1N1 ... flu viruses circulating this season. But what does it mean to have a flu A or flu B season? Do these types of flu have different symptoms?