Comments (0)
This video has no comments!
Description
Pfizer says its new coronavirus vaccine has proven to be more than 90% effective, and it could be used before the end of the year. Dr. Jon LaPook reports.
Published on Nov 10, 2020
Pfizer says its new coronavirus vaccine has proven to be more than 90% effective, and it could be used before the end of the year. Dr. Jon LaPook reports.