According to Pfizer, "Hundreds of millions of doses of the Pfizer-BioNTech COVID-19 vaccine have been administered globally, ...

An extremely painful sore throat, often now referred to as “razor blade throat”, is just one of the several symptoms of a new ...

Scientists say the current COVID vaccine is effective against the Nimbus variant and is considered a “variant under ...

The most dominant COVID variant is LP.8.1, which at last count has made up 38% of cases, with Nimbus at 37%, variants XFG at ...

A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to know about symptoms and vaccines.