一般认为全身性流感杆菌感染系由b型菌株引起,见于以往健康的婴幼儿,常有会厌炎或脑膜炎等感染灶。作者研究了美国某城市流感杆菌菌血症和脑膜炎的病例之后发 It is generally believed that systemic influenza bacilli is caused by a type b strain, which is found in previously healthy infants and young children, often having epiglottitis or meningitis and other infection foci. The authors studied the episode of influenza bacteremia and meningitis in a U.S. city