.Mpox (monkeypox).elombatd@who.int.Tue, 20/08/2024 - 09:08.Learn more about Mpox (monkeypox) Mpox (monkeypox) is a contagious condition triggered by the monkeypox virus. It can create a very painful rash, enlarged lymph nodules and fever. Lots of people completely bounce back, yet some acquire quite unwell.