流感嗜血杆菌(b 型)是引起3岁以下儿童感染的常见致病菌,引起成人呼吸道感染的绝大多数流感嗜血杆菌是未定型的,而流感嗜血杆菌(b 型)感染较为少见。本文作者报道了一起发生于老年病房内的流感嗜血杆菌(b 型)性支气管炎暴发流行.此次流行涉及到病人和医院工作人员,除3例有感染症状的病人集中在同一病室进行隔离治疗 Haemophilus influenzae (type b) is a common causative agent that causes infections in children under 3 years of age. Most Haemophilus influenzae types that cause adult respiratory infections are undefined, whereas H. influenzae (type b) infections are less common . The authors report the outbreak of a Haemophilus influenzae (type b) bronchitis that occurred in a geriatric ward and the epidemic involved both patients and hospital staff, except for three patients with symptoms of infection who were concentrated in the same ward for isolation treatment