Uploaded by Jennifer Stephens on May 19, 2020 at 11:12 pm
STAT News' Helen Branswell joins 'Closing Bell' to discuss her report that it's too early to count the success of the Moderna Covid-19 vaccine.
STAT News’ Helen Branswell joins ‘Closing Bell’ to discuss her report that it’s too early to count the success of the Moderna Covid-19 vaccine.