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１９９２年９～１２月江苏吴县某缫丝厂发生了一起伤寒暴发流行．罹患率达１２．７％，其中外来人口患病人数占总病人数的８８％。因生产用水被伤寒杆菌污染所致。
In 1992 9 ~ December Wu County, Jiangsu, a silk factory occurred a typhoid outbreak. The attack rate reached 12.7%, of which the number of foreign population accounted for 88% of the total number of patients. Due to the production of water contaminated by typhoid bacilli.