The US Food and Drug Administration has issued emergency use authorization (EUA) for the Covid-19 vaccine developed by Pfizer and BioNTech. After months of development, emergency use was authorized ...

LOS ANGELES -- The COVID-19 vaccines made by Pfizer and Moderna both require two doses to be administered, several weeks apart, for them to be fully effective. But there has been some scientific ...

The drugmakers that developed the first COVID-19 vaccines hope to save Americans from an extra trip to the pharmacy with a single shot that targets both COVID and the flu. Pfizer and BioNTech announed ...

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 ...