That "explosive" nature, however, could potentially be caused - as @arambaut.bsky.social lays out - by a combination of long(ish) term cryptic transmission, linked to sexual networks / sex work, followed by more recent detection and reporting. Again, his thread: bsky.app/profile/aram...
A long thread about mpox and the context specific nature of outbreaks prompted by the large outbreak of MPXV Clade IIb happening at the moment in Sierra Leone: