院内感染的细菌主要有克雷伯杆菌、沙门杆菌、肠杆菌、绿脓杆菌、黄质菌以及沙雷菌等。
O O O O O O O O O O B-mic I-mic I-mic I-mic I-mic O B-mic I-mic I-mic I-mic O B-mic I-mic I-mic O B-mic I-mic I-mic I-mic O B-mic I-mic I-mic O O B-mic I-mic I-mic O O