The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.

For a second time this season, the flu is surging, with at least 41 states reporting high or very high levels of the virus. Dr. Rabia de Latour, a gastroenterologist at NYU Langone Health ...

There are four types of flu (A, B, C and D), but the annual “flu season,” typically starting in October and lasting as long as March or April, is caused by the viruses behind Flu A and Flu B.

Opens in a new tab or window The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years. One indicator of flu activity is the percentage of doctor's office ...

The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years. One indicator of flu activity is the percentage of doctor’s office visits driven by flu-like ...

Flu Season in the US Is the Most Intense It's Been in at Least 15 Years NEW YORK (AP) — The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.

The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years. One indicator of flu activity is the percentage of doctor’s office visits driven by flu-like ...

NEW YORK — The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years. One indicator of flu activity is the percentage of doctor’s office visits driven ...