KALAMAZOO, Mich. -- Even though U.S. health officials authorized the emergency use of Pfizer's COVID-19 vaccine, getting the pandemic under control will take time and effort. One of the biggest steps ...

The Food and Drug Administration has issued approval for a booster shot of Pfizer's COVID-19 vaccine for children as young as 12. The Pfizer vaccine is the first booster shot to receive emergency ...

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 ...

Pfizer CEO Albert Bourla predicted Thursday that people who have received the company’s covid-19 vaccine will “likely” need a third booster shot within a year to maintain protection against the virus.

The state Department of Health has shortened the waiting period for Rhode Islanders to receive a booster shot of the Pfizer COVID-19 vaccine. Instead of waiting six months after their first two Pfizer ...