AY.4.2
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This English term is a hot word. Its inclusion on Wiktionary is provisional.
Translingual
This English term is a hot word. Its inclusion on Wiktionary is provisional.
Alternative forms
Etymology
From being a variant of AY.4.
Proper noun
AY.4.2
- (virology) A virulent variant of the SARS-CoV-2 Coronavirus, which causes COVID-19; starting a new wave and becoming dominant in the United Kingdom in late 2021. It is a sublineage of B.1.617.2 (“Delta variant (“Indian variant”)”) with the K417N spike protein mutation.
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