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 ...

Add Yahoo as a preferred source to see more of our stories on Google. While some liken it to the common cold, COVID-19 is still a lethal disease, and certain groups are still at a higher risk of a ...

Find out what it is and how to protect yourself.

Four years after infection with the wild-type SARS-CoV-2 strain, up to 60% of health care workers (HCWs) in Switzerland still ...

New study reveals vitamin D supplements may reduce long COVID risk by 4%. Promising results for symptoms like fatigue and ...

Since the pandemic’s early days, many people have looked to vitamin D as a possible shield against the worst effects of COVID ...

If your patients have been coming in with new asthma-like symptoms or sudden allergies to foods or the environment, long COVID could be to blame. In an article published in Nature Immunology last ...

Problems with iron levels in the blood and the body's ability to regulate this important nutrient as a result of SARS-CoV-2 ...

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

A newer COVID variant called XFG is currently fueling cases of the virus across the country. Nicknamed “Stratus,” this variant first took hold over the summer and now makes up nearly 70% of COVID-19 ...