Pfizer is starting to export U.S.-made doses of its COVID-19 vaccine to Canada and Mexico, the first exports of its shots from the United States, according to reports. Canada will start getting Pfizer ...

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 ...

FDA will likely look into allergic reaction to vaccine in UK, Trump vaccine chief says The U.S. Food and Drug Administration will likely consider the two allergic reactions reported by U.K.

Pfizer says kid-size doses of its COVID-19 vaccine are safe and nearly 91% effective at preventing infections in elementary school children. Details of the study were posted online Friday. FDA ...

The fall COVID-19 vaccine season is starting slowly for Pfizer, with U.S. sales of its Comirnaty shots sinking 25% after federal regulators narrowed recommendations on who should get them. Approval of ...

With approval of the updated COVID-19 vaccine coming weeks later than in the past, the fall vaccine season has started slowly, according to Pfizer. The sales of Pfizer’s Comirnaty shots sank 25% after ...