November 29, 2021

On MSNBC’s All In, Dr. Collins provides an update on the new COVID-19 omicron variant

Dr. Collins and guest host Ayman Mohyeldin discuss what we know so far about the COVID-19 omicron variant and the international travel restrictions.

https://www.msnbc.com/all-in/watch/nih-head-on-how-boosters-can-protect-against-…