MPOX Launch the media gallery 1 player Mpox is caused by a virus that is part of the same family as the virus that causes smallpox. There are two types of mpox, clade I and clade II. No matter what type of mpox it is, people with mpox often get a rash, along with other symptoms. Related SitesLinks open in a new tabCurrent SituationWhat To Do If You Think You Have MpoxGetting Tested For Mpox