"As these viruses continue to evolve, public health officials watch carefully to see whether new strains will be more easily ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Getty Images An alleged warning has spread online for years about a supposed "new COVID-Omicron XBB variant" — a new strain of the ...

COVID may have killed significantly more people in the U.S. in the first two years of the pandemic than official records indicate, with as many as one overlooked death for every five recorded ones.

The UK COVID-19 public inquiry is set to publish insights on how the healthcare system coped in the face of the virus.

NEW JERSEY (WABC) -- Dozens of family members in New York and New Jersey have reached out to 7 On Your Side Investigates with concerns about the measures the ...

Finding suggests as many as 155,000 deaths, likely occurring outside of hospitals, not recognized at Covid related ...

An inquiry into New Zealand’s Covid-19 response found that while the country’s strategy — one of the strictest in the world — helped limit infections and deaths, prolonged lockdowns and vaccine ...