What to know about 'quad-demic' of COVID, flu, RSV and norovirus in US
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.
RSV, flu, COVID-19 and norovirus are on the rise in 2025. What to know
RSV has been trending upwards since November before peaking on Dec. 21 with 2.7 hospitalizations per 100,000 people in the U.S., more hospitalizations than the flu but fewer than COVID. Noah Greenspan,
RSV, flu, COVID-19, norovirus on the rise. See symptoms, facts
Several viruses are causing illnesses in Ohio and the U.S. See the symptoms for COVID-19, RSV, flu, norovirus and bird flu.
Are your symptoms the flu, COVID, RSV, Norovirus? How to tell the difference
Flu season is here in New Jersey, but other illnesses are in full swing in the Garden State. Here are the symptoms and how long you're contagious.
Viral sicknesses rise amid ‘quad-demic’ in US
Viral sicknesses have risen in early 2025 amid the ongoing “quad-demic” in the U.S., referring to three respiratory viruses and one gastrointestinal disease, according to the Centers for Disease Control and Prevention (CDC) data.
Experts warn of a ‘quad-demic’ as flu, RSV, COVID-19 and norovirus converge in California
After the holiday season and an uptick in travel, California faces a rise in respiratory illnesses, prompting health experts to talk of a “quad-demic.” The term refers to the simultaneous spread of four major viruses: COVID-19,
Norovirus outbreak 2025: Symptoms, cases, and what to know as CDC data indicates a winter wave
New CDC data indicates a rise in cases of norovirus, often colloquially referred to as "stomach flu." Test positivity has ...
Norovirus, aka the stomach flu, is at decade-high levels in the US. Know these early signs
Norovirus, aka the stomach flu, is surging across the United States as 2025 begins. Here's what to know about norovirus ...
New norovirus strain is stoking the stomach flu surge
This winter’s dominant norovirus strain is a newer variant called the G11.17 [P17], CBS reports, citing data from a network ...
CDC reports increase in stomach flu cases: What that means for PA, Bucks County
The Centers for Disease Control recently reported an uptick in norovirus cases, otherwise known as the stomach flu.
CDC Data Shows Norovirus Is Surging—Here Are 5 Symptoms You Really Shouldn’t Ignore
If there’s one thing you don’t want to endure, it’s the symptoms of norovirus, a brutal stomach bug that tends to cause ...
Norovirus cases are on the rise in New Mexico. What to know about the stomach bug
Norovirus and flu come from different viruses. Norovirus causes inflammation of the stomach or intestines that leads to nausea, vomiting, stomach cramps, diarrhea and other sympto ...