Name: Full NIH Director Interview: 'We don't really quite know' when herd immunity begins with Covid
Uploaded: Sun Apr 25 2021 13:34:54 GMT+0000 (UTC)
Duration: 9 min 7 s
Description: In an exclusive interview with Meet the Press, Dr. Francis Collins, Director, National Institutes of Health, talks to Chuck Todd about the Johnson and Johnson vaccine and the latest on heard immunity.

April 25, 202109:07