1·METHODS Several parts of 10 oxygen moisture bottles, moistured water, ward air, and hands of doctors and nurses were detected by bacteriology methods, and the sputa of patients were cultured.
方法 采集10个氧气湿化瓶使用前、中、后各部位样品进行细菌培养检查，同时对湿化水、室内空气和医护人员的手进行细菌培养检测，并采集患者痰液进行培养检查。