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 ...
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.
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Flu activity is high and expected to remain so for several weeks, CDC says
Winter viruses are raging right now, with flu leading the way at extremely high levels in the West, across the Midwest and deep into the Southeast, the Centers for Disease Control and Prevention ...
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 ...
CDC urges doctors to speed subtyping of patients hospitalized with the flu to better track H5N1 infections
The US Centers for Disease Control and Prevention is urging hospitals to accelerate advanced testing of people they suspect ...
Flu season is here. Here’s what you can do about it.
More Americans are getting infected with seasonal influenza and seeking care, a regular occurrence this time of year.