COVID-19, influenza, RSV and norovirus

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.
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.
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,
ABC News2d
RSV cases
According to the CDC, cases of the cold, flu, COVID and RSV are rising and experts predict these numbers will continue to grow in the coming weeks. Some hospitals in the U.S. are seeing an ...
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 ...
Pensacola News Journal13d
RSV, flu, COVID-19 and norovirus are on the rise in 2025. What to know
The CDC also mentioned respiratory syncytial virus (RSV), which is a virus that causes cold-like symptoms but also impacts breathing passages and the lungs. RSV has been trending upwards since ...
Healio3d
Study: Three-quarters of infants protected against RSV last season
Nearly 80% of infants born in a California health system were exposed to nirsevimab or the maternal respiratory syncytial ...
The Sheboygan Press on MSN2d
Influenza, RSV & COVID-19 are all on the rise in the Sheboygan area, health officials say
SHEBOYGAN – Levels of respiratory illnesses in the Sheboygan area are high, on trend with regional and state data, according ...
pulmonologyadvisor2d
About 8 in 10 Infants Received RSV Protection in the 2023 to 2024 Season
About 8 in 10 infants received respiratory syncytial virus protection during the 2023 to 2024 season, according to study findings.
SC flu season: Norovirus, RSV, flu surge in South Carolina; hospitals restrict visitation
Bon Secours and Prisma Health are implementing new visitor restrictions as cases of influenza and respiratory illnesses rise ...
Health and Me on MSN17h
RSV Vaccine Now Free For Pregnant Women: Know All About It Before Getting Vaccinated
RSV is a contagious virus causing severe respiratory infections in infants. Vaccination during pregnancy, provides newborns ...