Live

Watch CBSN Live

Doctor says more data needed to determine vaccine's efficacy against COVID-19 variants

Drugmaker Moderna said its vaccine works against some emerging variants of the coronavirus. The company released the results of a new study it performed, which wasn't peer-reviewed. Dr. Ron Elfenbein, the medical director and owner of FirstCall Medical Center, spoke with Anne-Marie Green and Vladimir Duthiers on CBSN about this preliminary study, why more studies are needed and why people shouldn't worry.
View CBS News In
CBS News App Open
Chrome Safari Continue
Be the first to know
Get browser notifications for breaking news, live events, and exclusive reporting.