Fizzled out before it evolved to be truly veriluent, like most local hotspots of infection. Mpox, specifically, was mostly spread by physical contact with infected lesions, so that wasn't too much of a suprise. The worry was that if it had become more infectious via the air, like its smallpox and chickenpox close relatives. The existing smallpox vaccine provided good protection against it, so it didn't really have time to evolve or spread. The panic surrounding it was much more media hype than actual scientific worry.