Omicron Variant spreads across the world
Omicron is now the dominant variant of the COVID-19 in the US, federal health officials said, racing ahead of Delta and other variants and accounting for 73% of new infections last week.
Omicron is now the dominant variant of the COVID-19 in the US, federal health officials said, racing ahead of Delta and other variants and accounting for 73% of new infections last week.