.Mpox (monkeypox).elombatd@who.int.Tue, 20/08/2024 - 09:08.Learn more about Mpox (monkeypox) Mpox (monkeypox) is actually a transmittable illness caused by the monkeypox infection. It can easily lead to a very painful breakout, enlarged lymph nodules and high temperature. Lots of people fully recover, however some receive quite unwell.