Pfizer and BioNTech said Wednesday that initial lab tests show that the omicron variant partly escapes protection offered by the companies' two-dose regimen of their COVID-19 vaccine. However, those ...

News that a Pfizer booster shot does a good job protecting against the COVID-19 Omicron variant was greeted enthusiastically by Wall Street Wednesday, as the stock markets got a big boost amid hopes ...

The U.S. Food and Drug Administration on Tuesday authorized Pfizer's omicron booster shot for kids under five years old who were previously vaccinated with three doses of the company's original ...

Stream Connecticut News for free, 24/7, wherever you are. South African scientists say the Covid omicron variant significantly reduces antibody protection generated by Pfizer and BioNTech's vaccine, ...

Pfizer asked U.S. regulators Monday to expand use of its updated COVID-19 booster shot to children ages 5 to 11. Elementary school-aged children already received kid-sized doses of Pfizer’s original ...

Pfizer and BioNTech released more human data Friday indicating the omicron BA.5 boosters perform better than the old Covid shots. Stream NBC 5 for free, 24/7, wherever you are. People older than 55 ...

Pfizer announced Thursday that a third shot of its COVID-19 vaccine raised omicron-fighting antibody by 36 times in children ages 5 to 11. Pfizer/BioNTech plans to request emergency use authorization ...

Pfizer Inc. and BioNTech SE have announced that initial lab studies show a third dose of their Covid-19 vaccine neutralizes the Omicron variant. These results come as great news amid fears of a new ...