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.
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.
Respiratory illnesses surge as flu, RSV and COVID-19 cases rise in the U.S.
According to the U.S. Centers for Disease Control and Prevention (CDC), hospitals are seeing a high number of flu cases and a very high number of RSV cases. (C
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 ...
Flu, RSV on the rise in the Lehigh Valley. What you need to know
In the Lehigh Valley, cases of the flu and RSV are particularly prevalent compared with many other parts of the state.
FDA adds warning label to RSV vaccines Abrysvo and Arexvy about the risk for Guillain-Barré syndrome
The U.S. Food and Drug Administration now requires and has approved safety labeling changes to the prescribing information ...
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 ...
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 ...
Health and Me on MSN22h
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 ...
Singer 'helpless' after baby girl contracted RSV virus
About two thirds of the infants have been hospitalised. An RSV vaccine has been available to pregnant women in Northern ...