The coronavirus vaccine under development by Pfizer and BioNTech prevented more than 90% of infections in a study of more than 43,000 volunteers, according to new data released by the drugmakers on Monday.
Scientists are treating the news with cautious optimism as the U.S. nears 10 million cases of COVID-19 so far.
Here & Now‘s Peter O’Dowd speaks with Dr. Krutika Kuppalli, assistant professor at the Medical University of South Carolina and vice-chair of the Infectious Diseases Society of America Global Health Committee.
This article was originally published on WBUR.org.
Copyright 2021 NPR. To see more, visit https://www.npr.org.