百日咳是由百日咳杆菌引起的急性呼吸道传染病 ,典型的临床症状为持续性阵发性痉挛性咳嗽 ,带有吸气尾声及呕吐 ,通常病程持续数周 ,易并发肺炎、脑病。病原菌通过飞沫经呼吸道传播 ,局限于呼吸道繁殖 ,不产生菌血症。人是百日咳菌唯一宿主 ,其传染性极强 ,人群普通易感 ,但发 Pertussis is an acute respiratory infection caused by Bordetella pertussis. The typical clinical symptom is persistent paroxysmal spasmodic cough with aspiration and vomiting. The course of the disease usually lasts for several weeks and is easily accompanied by pneumonia and encephalopathy. Pathogen droplets through the respiratory tract transmission, confined to the respiratory tract breeding, does not produce bacteremia. People are the only host of pertussis, its highly infectious, common sense of the crowd, but hair