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 ...

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 ...

Shirley Hilton, deputy chief for the Waterloo Regional Police Service and head of the region's vaccine distribution task force, said the region is "pleased to be able to make it e ...

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 ...

Following Emergency Use Authorization by the FDA and a formal recommendation from the Centers for Disease Control and Prevention (CDC) over the weekend, the first Americans began receiving Pfizer's ...