.Mpox (monkeypox).elombatd@who.int.Tue, 20/08/2024 – 09:08.Learn more about Mpox (monkeypox) Mpox (monkeypox) is a contagious health condition brought on by the monkeypox infection. It may cause a very painful rash, bigger lymph nodes and fever. Many people fully recuperate, however some acquire extremely ill.