XBB
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Translingual
Symbol
XBB
Usage notes
Not to be confused with XEU, the code for the former European Currency Unit.
Proper noun
XBB
- (virology) A variant of SARS-CoV-2 (“COVID-19 virus”), a sublineage of the Omicron variant (“B.1.1.529”), a recombinant strain resulting from the mixture of BA.2.10.1 and BA.2.75
