Mpox disease is caused by the Monkeypox virus (MPXV). This virus is a member of the family Poxviridae, genus Orthopoxvirus, species Monkeypox. Like many of the Poxviridae (other than Smallpox and Molluscum contagiosum, which are primarily human pox infections), Monkeypox is a zoonotic virus that spills over into people, and can then be transmitted within the human population.... Read more