BREAKING: Omicron is now most common coronavirus variant in U.S., accounting for nearly three-quarters of COVID-19 cases, CDC says. https://t.co/HkpbuaGcNk— The Associated Press (@AP) December 20, 2021
BREAKING: Omicron is now most common coronavirus variant in U.S., accounting for nearly three-quarters of COVID-19 cases, CDC says. https://t.co/HkpbuaGcNk