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１９９９年１～４月，对东宁镇３６所个体诊所室内空气用平板沉降５ ｍｉｎ采样，检测细菌总数超标（＞ ５００ ｃｆｕ／ｍ３）率为１７．１％（ ２４／１４０）。对医护人员手与物体表面于消毒后４ｈ内用棉拭涂抹采样，以检测细菌总数＜ １０ｃｆｕ／ｃｍ３且检不出致病菌为合
From January to April 1999, indoor air samples from 36 individual clinics in Dongning Town were sampled by flat-bottom sedimentation for 5 min. The total bacterial count exceeded (> 500 cfu / m3) was 17.1% (24/140). On the hands of medical staff and objects within 4h after disinfection with cotton swab smear sampling to detect the total number of bacteria <10cfu / cm3 and can not detect the pathogenic bacteria together