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 9Marwan Mikheal AzarMDAnnette CameronMDLeslie SudeMDMore Related SpecialistsRelated Fact SheetsMpox (Formerly Monkeypox)Related NewsFamily HealthRelated DepartmentsShowing 3 of 26DermatologyInfectious DiseasesMedical DermatologyMore Related Departments