What we still don’t know about COVID vaccines after the U.K.’s emergency-use authorization of the Pfizer-BioNTech candidate
December 02, 2020 at 15:04 PM EST
The U.K. government granted emergency use authorization to the COVID-19 vaccine being developed by Pfizer Inc. and German partner BioNTech SE with some fanfare on Wednesday, but experts cautioned that the news does not mean the pandemic is close to being over.