omicron
🇺🇸
/ˈɑːməkrɑːn/
🇬🇧
/ˈɒmɪkrɒn/
The 15th letter of the Greek alphabet, written as O or o.
In the Greek alphabet, omicron comes after theta and before pi.
在希臘字母表中,omicron介於theta與pi之間。
A variant 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.
Health officials are closely monitoring the omicron variant for any changes in severity or transmissibility.
衛生官員正在密切監測omicron變種的任何嚴重性或傳播性變化。