From mid-December 1950 to January 1951, the U.S. imperialist aggressors spread such contagious germs as smallpox virus in the areas of Pyongyang City and Kangwon and Hwanghae provinces, leaving thousands of people infected with the virus and many of them dead until April 1951.

The warfare went into full swing in early 1952. The U.S. warplanes dropped germ bombs and virus-contaminated things on 400 odd sites in the DPRK more than 700 times from the end of January to the end of March.

At that time, various species of insects, including flies, were found in southeastern area of Ichon County, which were confirmed to be infected with cholera virus.

Besides, strange species of flies, fleas, spiders, beetles, bedbugs, crickets and mosquitoes were found alive in such areas as Pyongyang City and Yangdok and Kowon counties, all of which carried viruses of acute cholera, pest, typhoid, paratyphoid and dysentery.

The facts, verified by the field survey team of the International Association of Democratic Lawyers during the war, show that the U.S. employed every conceivable means in killing people in the DPRK.