.Mpox (monkeypox).elombatd@who.int.Tue, 20/08/2024 – 09:08.Find out more about Mpox (monkeypox) Mpox (monkeypox) is a transmittable health condition caused by the monkeypox virus. It can easily trigger an unpleasant rash, increased lymph nodules and high temperature. Many people fully recover, yet some get quite ill.