Competing Interests: EJL was supported by the US National Institute of Allergy and Infectious Diseases of the National Institutes of Health under award number U24AI162625. All other authors declare no competing interests. The working group thanks African scientists who advocated for new clade names for MPXV, and front-line health workers and advocates at Rézo, a Montreal community based organisation for gay, bisexual, queer, cis, and trans men who have sex with men, who led a grassroots movement to rename mpox. DU chaired the ad-hoc experts meeting on MPXV clades and variants, which involved authors AA, JB, KK, EJL, MRM, TdO, JO, AR, and RFL, and experts Ifedayo Adetifa, Oluwatoni Akinola, Olajumoke Babatunde, Sylvie Briand, Clarissa Damaso, Inger Damon, Drew Endy, Delia Enria, Mariano Esteban, Bradley Hersh, Christina Hutson, Yu Li, Abdi Mahamud, Sandy Mak, Peter Mala, Colin McInnes, Jean-Vivien Mombouli, Richard Neher, Nnaemeka Ndodo, Mark Perkins, Mike Ryan, Jilian Sacks, Soumya Swaminathan, Henda Triki. We thank Meng Zhang, Co-Chair of the ICD Classification and Statistics Advisory Committee, all participants in these discussions, and Maria Van Kerkhove for ongoing support. The findings and conclusions in this Comment are those of the authors and do not necessarily represent the views of their respective institutions.