②甲氧西林耐药的金黄色葡萄球菌（MRSA）、甲氧西林耐药的表皮葡萄球菌（MRSE），除了产β-内酰胺酶外，还通过PBP的变异，不仅对甲氧西林耐药，而且对所有β-内酰胺类及红霉素、氨基糖苷类、四环素、克林霉素耐药；常常与铜绿假单胞杆菌或肠道革兰阴性杆菌（EGNB）混合感染。
O B-dru I-dru I-dru I-dru O O O B-mic I-mic I-mic I-mic I-mic I-mic I-mic O B-mic I-mic I-mic I-mic O O B-dru I-dru I-dru I-dru O O O B-mic I-mic I-mic I-mic I-mic I-mic O B-mic I-mic I-mic I-mic O O O O O O O O O O O O O O O O O O O O O O O O O O B-dru I-dru I-dru I-dru O O O O O O O O B-dru I-dru I-dru I-dru I-dru I-dru O B-dru I-dru I-dru O B-dru I-dru I-dru I-dru I-dru O B-dru I-dru I-dru O B-dru I-dru I-dru I-dru O O O O O O B-mic I-mic I-mic I-mic I-mic I-mic I-mic O B-mic I-mic I-mic I-mic I-mic I-mic I-mic I-mic O B-mic I-mic I-mic I-mic O O O O O O