Norovirus, aka the stomach flu, is surging across the United States as 2025 begins. Here's what to know about norovirus symptoms, how it spreads, and prevention.

Typical household cleaners like hand sanitizer or wipes don't kill germs from norovirus. Here's what you can use instead.

Norovirus is the leading cause of vomiting, diarrhea and foodborne illness in the US, according to the Centers for Disease Control and Prevention.

The virus, often colloquially referred to as “stomach flu,” saw the percentage of positive tests double during the first week of January compared to last year. Positive test percentages for cases of norovirus in the United States are double what they were at the same period a year ago,

As new viruses like COVID-19, bird flu, norovirus, and RSV (respiratory syncytial virus) continue to spread, vaccines have become more critical than ever. These vaccines are vital for protecting

William Schaffner: The most important thing is good hand hygiene. Washing with soap and water works the best. Those hand hygiene gels and wipes – the hand sanitizers – that people tend to use aren’t as effective against norovirus, so just wash frequently with good old soap and water. And then, of course, avoid people who are sick.

Lehigh Valley’s health networks are seeing abnormally high cases of the stomach bug that’s taking a large number of people out of action and leaving them stuck in the bathroom.

Pomerene's Katie Wright suspects people are treating flu-like symptoms at home. "From a clinical perspective, we're not seeing an uptick in numbers."

The U.S. is seeing a "quad-demic" as cases of COVID-19, flu, RSV and norovirus spread at the same time. Experts said this is what you need to know.

To avoid catching the virus, colloquially known as "stomach flu," wash your hands with soap and water, and avoid touching your face. Alcohol-based hand sanitizers are not effective against it.

If you're ill with the "stomach flu," you're not alone. Norovirus is surging across Arizona, is highly contagious and spreads rapidly.

William Schaffner: Norovirus is an intestinal virus that can make you very, very sick. It is indelicately called winter vomiting disease, and it begins suddenly, often with an explosive vomit that then repeats itself.