Clade IIa and Clade IIb are two recognised subclades of the Orthopoxvirus monkeypox Clade II.
Clade IIb refers to a group of variants largely circulating in the 2022 global outbreak.
Also indexed as
Clade IIb of Monkeypox virus (deprecated)Clade IIb of Orthopoxvirus monkeypoxMonkeypox virus clade IIb (deprecated)Mpox virus Clade IIbOrthopoxvirus monkeypox Clade IIb