"As these viruses continue to evolve, public health officials watch carefully to see whether new strains will be more easily spread or cause more severe disease, and they are continuously testing to ...

Doctors across multiple countries are flagging a painful new COVID-19 symptom tied to a fast-spreading variant: a sore throat so severe that patients compare it to swallowing razor blades. The symptom ...

Six years after the start of the COVID-19 pandemic, the virus still exists. A public health expert explains what Long COVID ...

Noah Greenspan, DPT explains challenges diagnosing long COVID and strategies like pacing, compression, and electrolytes to support recovery. Long COVID has been an ongoing health concern in the United ...

A large new study may help form some answers to those questions. In line with prior estimates, it finds that almost a quarter ...

The timing of symptom onset depends on lots of factors, including the amount of virus to which someone was exposed, Hotez says. Their level of pre-existing immunity may also affect the likelihood or ...

New research reveals that even mild respiratory infections can leave lasting biological changes. However, COVID-19 stands ...

New research finds metformin may not treat long COVID symptoms despite early promise. Learn what studies reveal about long COVID treatment and prevention.

Add Yahoo as a preferred source to see more of our stories on Google. Some people in China are reporting severe sore throat with COVID infections right now. apomares via Getty Images A positive ...

Six years after the start of the COVID-19 pandemic, millions of Americans are still living with its long-term effects.

Thanksgiving week is typically one of the biggest travel periods of the year, but winter holidays like Christmas, Hanukkah, Kwanzaa and New Year's Eve aren't that far behind—and all that traveling, ...

Doctors say the virus is in its endemic phase. Here's what that means.