一个保养得好的游泳池会用足够剂量的氯和其他消毒剂来杀灭致病菌，纽约大学兰格恩医学中心的临床微生物免疫学主任，Philip J.
A well-maintained swimming pool uses the appropriate amount of chlorine and other disinfectants to kill bacteria which cause illness, explained Dr.
目的监测北京地区肠道致病菌的组成及耐药状况，为本地区的流行病学研究及临床合理用药提供依据。
Objective to monitor the distribution and resistance of enteric pathogenic bacteria in Beijing area to offer the data for guiding epidemiologic study and clinical treatment.
目的监测北京部分地区肠道致病菌的组成及耐药状况，为本地区的流行病学研究及临床合理用药提供依据。
Objective to monitor the distribution and drug resistance of enteric pathogenic bacteria in some areas of Beijing to offer the basis for guiding epidemiologic study and clinical treatment.
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