The Chinese worker holds a document entitled "American Germ Warfare - Crime investigation report" (美國細菌戰 - 罪行調查報告), published by the International Association of Democratic Lawyers (國際民主法律工作者協會).
The caricatures below right are Dean Acheson (US Secretary of State), Harry Truman (US president) and a wounded US soldier. They are trying to hide bottles labelled 鼠疫 - plague.