METHODS Air-sampling from 5 wards and condensate sampling on filter net of air conditioner in SARS ICU with Nippon-made Anderson air-sampler were done twice,then examined by RT-PCR and virus isolating and culturing method.

• 方法用日本产安德森空气采样器对SARS ICU病区重复2次,对5个病房的空气和病区空调的过滤网、冷凝水取样,分别用RT-PCR和病毒分离培养方法检测。