Monkeypox is a rare viral disease that occurs mostly in central and western Africa.猴痘是一种罕见的病毒疾病，大多发生在中部和西部非洲。
Variola virus belongs to the genus of orthopoxvirus, and there are some other infectious members, such as Vaccinia virus在正痘病毒属还有另外几种病毒对人具有一定的感染性，如痘苗病毒、牛痘病毒和猴痘病毒。