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用铜绿假单胞菌国际分型系统（ＩＡＴＳ）－２０型血清，对市区四所主要医院的内环境和临床患者标本，分离鉴定所得８１株铜绿假单胞菌进行血清学分型。并对两类标本加以比较总结出主要流行型别。不仅为制备和应用特异性抗血清打下基础，更为预防感染和追踪该菌所致传染性疾病的传染源提供了可靠依据。试验结果揭示了，医院内环境和患者个人卫生对预防感染的重要意义。
Serotypes of 81 strains of Pseudomonas aeruginosa isolated and identified from the internal environment and clinical samples of four major hospitals in the urban area were obtained with the International Typing System of Pseudomonas aeruginosa (IATS) -20. And two types of specimens to be compared to sum up the main popular type. Not only for the preparation and application of specific antisera to lay the foundation, but also to prevent infection and track the source of infectious diseases caused by the bacteria to provide a reliable basis. The test results revealed the importance of hospital environment and patient hygiene in preventing infection.