Evidence of monkeypox virus clade IIb lineage A.2.2 in the Republic of the Congo and co-circulation of clade Ia, Ib and clade IIb. (nature.com)

Authors: Koukouikila-Koussounda F … Roch Niama F Journal: Nature Medicine Published: 2026-05-01 DOI: https://doi.org/10.1038/s41591-026-04256-2