COVID-19Omicron sweeps across nation, now 73% of new US COVID cases Associated Press, December 21, 2021
COVID-19Pfizer says booster dose of Covid vaccine offers protection against Omicron Associated Press, December 8, 2021
COVID-19More omicron detected as hospitals strain under delta surge Associated Press, December 4, 2021
COVID-19Update on Omicron COVID-19 variant from Tennessee Dept. of Health Collins Parker, December 1, 2021
