RSV, norovirus and flu

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.
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,
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.
As the flu rises in California, the difference between COVID, RSV, Norovirus, influenza
Flu season is here in California, but other illnesses are in full swing in the Golden State. Here are the symptoms and how long you're contagious.
Norovirus, COVID, flu and RSV: The common symptoms and how to protect yourself
— The flu, caused by influenza viruses that are always changing, leads to fever, chills, cough, sore throat, runny nose, body aches, headaches and feeling tired. Flu symptoms tend to hit more quickly than cold symptoms, and can last anywhere from a few days to two weeks.
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.

Wisconsin reports 1st pediatric death from flu this season

Alabama among the worst in the nation for flu, COVID and RSV, health officials say
Despite a recent 19% decrease in emergency department visits, health officials anticipate that Alabama's flu activity will ...
Where are flu rates surging? See maps
At least 15 states have very high levels of influenza, according to the Centers for Disease Control and Prevention.
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Flu, COVID, RSV spike strains Rochester hospitals, some at 150% capacity
The rise in flu, COVID-19, and RSV cases is putting a strain on local hospitals, which are operating well beyond their ...
How to protect yourself from norovirus, COVID-19, flu and RSV during the winter surge
There’s no medication for norovirus. Instead, you’ll need to rehydrate as much as possible with water and other liquids. Seek ...
Why The U.S. Could Be Making The Same Mistakes With Bird Flu As It Did With COVID-19
The first severe human case of bird flu was recently reported in the U.S. Here are some ways the U.S. may be repeating the ...
Rochester-area hospitals raise capacity concerns with increase of COVID, flu, RSV cases
In a press conference Friday, healthcare leaders said that significant increases in COVID, flu, and RSV cases have led to ...
U.S. Gives Moderna $590 Million to Accelerate a Bird Flu Vaccine
The latest funding is a sign of how seriously the Biden administration appears to be taking the pandemic threat.
Flu, RSV, COVID continue making life miserable for North Dakotans
Cases of flu and RSV continue to rise in North Dakota, while COVID is down a bit from a week ago. According to data from the ...