On this day, 29 years ago, on August 31, 1996 (July 18, 1996 in the lunar calendar),"O-157" Escherichia coli ravaged Japan. Intestinal infectious diseases caused by "O-157" Escherichia coli have spread to 44 prefectures in Japan, infected more than 9000 people. As of August 31, 9 people have died. To this end, the Japanese government has established a special agency to take various measures to stop the spread of this infectious disease.