.Mpox (monkeypox).elombatd@who.int.Tue, 20/08/2024 - 09:08.Learn more regarding Mpox (monkeypox) Mpox (monkeypox) is an infectious illness triggered by the monkeypox virus. It can result in a painful breakout, increased lymph nodes and high temperature. Lots of people totally recuperate, but some get incredibly ill.