Pfizer Inc.

What you need to know about allergic reactions to the vaccine: QuickTake

China approves first vaccine for use in general population

An Oxford researcher says future strains can be protected

Colorado health officials say they are investigating a second suspicious case

Colorado health officials say they are investigating a second suspicious case

Shipments of Modern vaccines to Texas are delayed by temperature

Oxford-AstraZeneca Covid vaccine approved by UK regulator

The momentum of the Brexit trade deal is fading

Sinopharm says the shot is 79% effective; Search for public use in China

Sinopharm says the shot is 79% effective; Search for public use in China