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 is seeing a rise in respiratory illnesses, prompting health experts to talk of a potential “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.
Where are COVID, flu and RSV cases rising in the US? See maps
Influenza A, COVID-19 and norovirus (stomach flu) are on the rise, according to the Centers for Disease Control and Prevention. But there's a fourth "bug" the public should be aware of: respiratory syncytial virus. RSV causes cold-like symptoms and affects the breathing passages and lungs.
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.
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.
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Flu & COVID Cases Are 'Surging'—Keep This Editor-Tested Rapid Test Handy to Start Treatment Faster
This easy-to-use rapid test can give you peace of mind The new year has just begun, but flu season is in full swing, with the ...
We're in flu season. What are symptoms? How to tell it's not another virus
Over 160,000 people this season have landed in the hospital from flu complications, CDC estimates. More than 6,600 have died.
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 ...
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 ...
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.
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 ...
9 flu deaths reported since start of season in New Hampshire
Health care facilities across New Hampshire are dealing with high amounts of flu and respiratory cases coming into their ...
Why taking fever-reducing meds and drinking fluids may not be the best way to treat flu and fever
As flu season progresses, so does the chorus of advice, professional and otherwise, to drink plenty of fluids and take ...