白喉是一种由白喉杆菌引起的急性传染病,常发生于春、秋二季。对于本病的预防,在早期注射白喉类毒素,以产生自动免疫,是一种有效的措施。但在流行期间,至目前为止,尚缺乏理想的预防方法,一般虽有用白喉抗毒素借以产生被动免疫的办法,但被动免疫持续时间不久,三 Diphtheria is an acute infectious disease caused by diphtheria bacilli. It often occurs in the spring and autumn. For the prevention of this disease, the early injection of diphtheria toxoid to produce autoimmunity is an effective measure. However, during the epidemic period, until now, there is still a lack of ideal prevention methods. Although diphtheria antitoxin is generally used to generate passive immunity, the duration of passive immunity is short.