norovirus, RSV and COVID

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.
Are your symptoms the flu, COVID, RSV, Norovirus? How to tell the difference
Symptoms of influenza are sore throat, cough, congestion, headaches and body aches. Fever is also a common symptom, although the Centers for Disease Control and Prevention said not everyone with the flu will have a fever.
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,
Flu, RSV, and Norovirus Are in Full Swing, While COVID Looms
Most U.S. states are reporting high or very high flu-like activity, while COVID-19 rates remain lower than this time last year.
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,
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 ...
Respiratory illnesses are up nationwide: Here are the COVID, flu and RSV hotspots
If it feels like everyone around you is fighting off a cold or recovering from the flu, it may be because respiratory ...
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The leading causes of death in America right now, according to the CDC—and how COVID-19 compares
Death Records examined data from the Centers for Disease Control and Prevention to understand and explain the evolution in ...
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Flu, COVID, and RSV: Flu Is Driving a Surge of Illness in Most States
Flu and COVID-19 case counts are high and rising in most parts of the United States, according to recent data by the ...
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 ...
As bird flu spreads, CDC recommends faster 'subtyping' to catch more cases
The CDC announced on Thursday its recommendation to test hospitalized influenza A patients more quickly and thoroughly to ...
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.
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We're in flu season. What are symptoms? How to tell it's not another virus
according to the CDC. But there are other respiratory viruses circulating as well. Along with flu, winter months are ...