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.
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.
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 to Sheboygan County Division of Public Health. Emergency visits for viral illnesses have been "very high" across the northeast part of the state, including Sheboygan, according to the Wisconsin Department of Health Services.
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,
RSV 'horrible because you can't do anything for them'
Country singer Lisa McHugh's six-month old daughter Hallie spent a "horrendous" 10 days in the South West Acute Hospital ...
Free RSV vaccines for pregnant women have been announced — here's what you need to know
Pregnant women across Australia will be offered a free vaccine to protect their babies against respiratory syncytial virus (RSV) from next month.The government's $174.5 million investment will ensure ...
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6 Pediatric Specialists Tell Us How to Prevent RSV
Most children will contract RSV by the time they turn 2 years old. These preventative tips can help limit the spread.
Singer 'helpless' after baby girl contracted RSV virus
County Fermanagh-based country music singer Lisa McHugh has told how her baby daughter spent 10 "horrendous" days in hospital ...
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 ...
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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 ...
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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 ...
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 ...
Toddler hospitalized with RSV after ‘mild cough’ started on Christmas Eve
Colton and Sophia Adkins say their 16-month-old son’s mild cough on Christmas Eve has turned into an unimaginable nightmare.
Expectant mothers to get free RSV vaccines in major government move to protect children ahead of winter
Expectant mothers will have access to free vaccines against respiratory syncytial virus (RSV) from next month under a major expansion of the National Immunisation Program (NIP).