ALL DEFINITIONSMpoxDefinitionMpox is a rare disease caused by infection with the mpox virus, which is in the same family of viruses as the smallpox virus. Mpox is less contagious than small pox and produces milder symptoms.Related SpecialistsShowing 3 of 27Richard AntayaMDChristopher G BunickMD/PhDJeffrey CohenMDMore Related SpecialistsRelated NewsFamily Health