链球菌和革兰阴性细菌，例如枸橼酸杆菌、沙门菌、沙雷菌属、变形杆菌、肠菌属和脆弱类杆菌属等，是引起新生儿脑脓肿的常见细菌。
B-mic I-mic I-mic O B-mic I-mic I-mic I-mic I-mic I-mic O O O B-mic I-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 I-mic O B-mic I-mic I-mic O B-mic I-mic I-mic I-mic I-mic O O O O O O O O O B-dis I-dis I-dis O O O O O O