白喉是由白喉杆菌所引起的急性呼吸道传染病,临床表现为在咽、喉、鼻等粘膜处充血、肿胀,局部病灶发生灰白色不易剥脱的假膜,是其主要特征,极个别患者可能因皮肤破损而感染成皮肤白喉。由于白喉杆菌外毒素的作用,可致患者全身性毒血症,严重时晚期可出现心肌炎和末梢神经麻痹。自80年代初全国各地实施计划免疫以来,白喉发病率已明显下降,有些地方已十多年控制无发病。正因如此,人们对白喉疫情和危害程度也 Diphtheria diphtheria bacilli is caused by acute respiratory diseases, clinical manifestations of the pharynx, larynx, nasal mucosa Department of congestion, swelling, gray lesions of local lesions difficult to peel the pseudomembrane, is its main feature, a very few patients may be due to skin Broken and infected into skin diphtheria. Due to the role of diphtheria exotoxin, can cause systemic sera to patients with severe myocarditis and peripheral nerve paralysis may occur. Since the early 1980s, the incidence of diphtheria has dropped significantly since the planned immunization was implemented throughout the country. In some places, it has been controlled for more than a decade without morbidity. It is precisely for this reason that people are also aware of the severity and extent of diphtheria