自抗生素应用以来,引起肺部感染的病原体已有明显变迁。肺炎双球菌感染已从60％下降至10～20％,而参与肺化脓性感染的厌氧菌已从7％升高至76％。目前已证实厌氧菌(Anaerobe)是常见致病菌。最近国外报告,厌氧菌感染多为双相感染,需氧菌感染在前厌氧菌感染在后。国内何亮家报告,在100份标本中,培养出 Since the antibiotic application, pathogens that cause lung infections have changed significantly. The pneumococcal infection has dropped from 60% to 10 to 20%, while the number of anaerobes involved in pulmonary suppurative infections has risen from 7% to 76%. Anaerobe has now been confirmed as a common pathogen. Recent foreign reports, anaerobic infections are mostly biphasic infection, anaerobic bacteria infection in the former anaerobic infection in the post. He Liang home report, in 100 specimens, training out