MonkeyPox is a misnomer, the natural reservoir hosts are rodents. The virus can spillover to monkeys and human but it is a rodent virus.
The model organism for MonkeyPox is vaccinia virus.

Orthopoxvirus fact sheet image Genome and expressionimage Host-virus interactionsimage
Poxvirus life cycle image Structural proteins image Antiviral drugs image
Vaccinesimage Nextstrain: Monkeypox epidemiologyimage