COVID-19 variant XFG accounted for 0% of U.S. cases in May. By late-June, it became the third-most common strain.

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 ...

As COVID-19 continues to evolve, a new strain is spiking case numbers worldwide. The XFG variant, also known as Stratus, has been gaining momentum after first being detected in Southeast Asia in ...

A registry study across 14 Japanese clinics analyzed 179 cases of post-COVID-19 vaccination syndrome (PCVS) and identified ...

Add Yahoo as a preferred source to see more of our stories on Google. What are the most common COVID-19 symptoms doctors are seeing in October 2025? Read on to find out what to look out for, how to ...

While a randomized controlled trial of vitamin D 3 supplementation in COVID-19 patients didn’t yield a significant reduction ...

CDC panel advises tracking COVID-19 vaccine injuries by establishing new ICD-10 codes and clinical guidelines to improve diagnosis and care.

Six years after COVID-19 first reached New Zealand, the country is experiencing its ninth wave of infections. But the virus we are living with today behaves very differently from the one that caused ...

It's been almost a year since Michael Reagan, 50, came down with COVID-19. "I woke up first thing in the morning and I felt really hot and out of breath," he said, recalling the morning of March 22, ...

Add Yahoo as a preferred source to see more of our stories on Google. While most of us are long past the days of social distancing and isolation, the coronavirus is still dangerous, especially for ...