اومیکرون, حرف پانزدهم الفبای یونانی, حرف "O" در یونانی
2
a variant(= form) of the SARS-CoV-2 virus that was first reported in November 2021 and spread quickly to become the main form of the virus in many places
اومیکرون
These new measures are intended to slow the spread of Omicron.