BA.1
Translingual edit
This Translingual term is a hot word. Its inclusion on Wiktionary is provisional.
Alternative forms edit
Etymology edit
From being being assigned B.1.1.529.1 when the second variant occurred, and then shortened. Pango notation does not officially support 4 sublevels, leading to a need to renumber "B.1.1.529.1", thus shortened to a new base "BA" for "B.1.1.529" and ".1" becoming "BA.1"
Proper noun edit
BA.1
- (virology) The first Omicron variant. A highly transmissible though milder variant of the SARS-CoV-2 Coronavirus, which causes COVID-19; first detected in 2021 in South Africa and Botswana.