Dr. Sanjay Gupta explains the difference between the four variants of the coronavirus that the CDC has described at times as "worrisome variants."
This is what you need to know.
How does omicron compare to other variants? What you should know
2021-12-01T03:23:54.510Z
Dr. Sanjay Gupta explains the difference between the four variants of the coronavirus that the CDC has described at times as "worrisome variants."
