At 9 o’clock on the morning of October 4th 1940, a Japanese plane approached to Quzhou City at an altitude of 300 meters. It dropped a great number of wheat kernel, soybean, millet, rag, cotton, small paper bags (each contained about 10 fleas), and flyers. From October 10, residents in the city proper found many dead mice. The plague strangled the city. In 1941, Japanese planes dropped bombs on Quzhou City day and night, driving residents to countryside. The plague had spread to rural areas At 9 o’clock on the morning of October 4th 1940, a Japanese plane approached to Quzhou City at an altitude of 300 meters. It dropped a great number of wheat kernel, soybean, millet, rag, cotton, small paper bags From October 10, residents in the city proper found many dead mice. The plague strangled the city. In 1941, Japanese planes dropped bombs on Quzhou City day and night, driving residents to countryside. The plague had spread to rural areas