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 ...
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 ...
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Bird flu or seasonal sickness? Here's how the CDC plans to ramp up testing
“What we need is to shift to a system that tells us what’s happening in the moment,” Nirav Shah, principal deputy director at CDC, told reporters Thursday morning. Both bird flu and most ...
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 ...
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.