A cover sheet verifying that the allegations of the United States used biological weapons in Korea were discussed at the CPSU Presidium on 24 April 1953.

A small excerpt from a document listing all the issues (30 in total) considered by the CPSU Presidium at its six sessions from 13 March through 24 April 1953. The excerpt shows that the biological warfare allegations were taken up by the CPSU Presidium on 24 April.

Mao Zedong writes to Stalin about inviting Soviet specialists to continue investigating the bacteriological warfare allegedly carried out by the United States.

Stalin replies to China's request for specialists, medication, and vaccinations.

Zhou Enlai's request to Stalin to supply more anti-epidemiological aid to China.

Zhou Enlai's request to Stalin to increase its assistance by dispatching anti-epidemiological specialists.

Stalin promises support with investigating Amercan bacteriological warfare in North Korea

Mao Zedong requests help from Stalin regarding the dropping of insects on North Korea by the United States.

Mao's request to the USSR to dispatch an air division to Northeast China.

Wu Zhili's claims that bacteriological warfare allegedly conducted by the United States in Korea in 1952 was a "false alarm."