嗜血流感杆菌(HI)是引起小儿严重细菌感染的主要致病菌,在过去50年中,许多发达国家广泛开展了这方面的研究。近年来,发展中国家也逐渐认识到这一细菌在小儿感染性疾病中的重要位置。 Haemophilus influenzae (HI) is a major causative organism responsible for serious bacterial infections in children and has been extensively studied in many developed countries in the past 50 years. In recent years, developing countries are also gradually recognizing the importance of this bacterium in pediatric infectious diseases.