1997年4月23日，某厂一车间报告，乙组半成品库房发现3只死鼠，并从死鼠身上蹦出许多小虫到计织品上，继之爬到人身上引起匠疹，刺痒难耐，影响正常工作。为此，我科前往调查。1一般情况该厂地处市西北部，周围环境空地较多，厂内楼房年头已久，平房较多，厂外有一家饭店与一车 April 23, 1997, a plant a workshop report, Group B semi-finished product warehouse found three dead rats and jumped from the dead rat body bursts of insect count on the fabric, then climbed to the body caused by smoked razor, itching embarrassed , Affecting normal work. To this end, our department went to investigate. 1 The general situation The factory is located in the northwest of the city, more open space around the environment, the factory building has been a long time ago, more cottages, outside a factory with a car