CNN.com - RSS Channel - HP HeroHere's what we know about Pfizer's vaccine

After months of development, the first Covid-19 vaccine to receive authorization in the US could be just around the corner.

December 12, 2020 at 02:53AM https://ift.tt/2Ll5Ugs months of development, the first Covid-19 vaccine to receive authorization in the US could be just around the corner.