Cases of the omicron variant of COVID-19 have been discovered in at least 34 states and Washington, D.C., and a new study shows that vaccines are the best protection against it.
CDC: Omicron responsible for 3% of COVID-19 cases l WNT
Cases of the omicron variant of COVID-19 have been discovered in at least 34 states and Washington, D.C., and a new study shows that vaccines are the best protection against it.