China accused the United States and Japan to be the origin of COVID-19
China accused the United States and Japan of studying biological weapons and appropriate methods of warfare based on the experience of Unit 731 during World War II.
In a1945, the US bacterial warfare research base at Fort Detrick began contacting the Japanese from Unit 731, which was conducting Nazi experiments on living people in China.
It is the Fort Detrick base that is called one of the objects from which the coronavirus #COVID19 could escape
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