This is an update of an article originally published on November 24, 2020. New data is coming in on the efficacy of the various vaccines, and the Pfizer-BioNTech and Moderna vaccines are being distributed in the U.S. and other countries.
Since the beginning of the pandemic, little has been met with more anticipation (or hesitancy) than the promise of a COVID-19 vaccine. However, by mid-November 2020, less than a year after SARS-CoV-2 gained global recognition as a public health threat, this “promise” has moved from speculation to possibility, and the news has everyone talking.