Influenza is surging in the U.S., with doctor visits for flu symptoms at a 15-year high. Why is this flu season so bad?

The winter flu season features two types of influenza. Here's what you need to know about them and how they differ.

New Mexico, Texas and Nebraska are among the states with the highest number of people showing flu-like symptoms.

You may have heard of H1N1 or H3N2 – those are the two dominant types of influenza A circulating right now, according to the CDC. “Influenza A typically causes worse symptoms compared to ...

All age groups in the United States are experiencing a "high severity" of influenza cases among all age groups for the first ...

Flu A also has two subtypes that routinely circulate, H1N1 and H3N2. As for getting the flu ... Unfortunately, influenza shares a number of symptoms with respiratory viruses like COVID-19 and ...

However, influenza A subtypes that usually circulate in people are A(H1N1) and A(H3N2). Flu B viruses aren ... the influenza season,” he says. The symptoms can be the same between these ...

In today’s Health Alert, flu cases are on the rise, and Michigan is seeing very high flu activity, according to CDC data.

Doctor's office visits for influenza symptoms have hit their highest level ... It’s not just the seasonal flu (H3N2), but we’re also seeing the swine flu (H1N1) rearing its ugly head again ...