MONDAY, Dec. 6, 2021 (HealthDay News) The Omicron variant appears to spread at 2 times the level as the Delta...
Omicron
Dec. 7, 2021 -- Research are underway in check tubes and animals to figure out whether the new Omicron variant...
A new speedy-spreading variant of COVID-19 triggered the U.S. federal government to limit travel from southern African nations nowadays. “Omicron”...