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目的了解江阴市健康人群百日咳、白喉、破伤风免疫水平,及时为免疫策略提供科学依据。方法随机抽取部分0岁、1～岁、3～岁、5～岁、7～岁、15～岁、≥20岁年龄组健康人群进行百日咳、白喉和破伤风免疫水平监测。结果白喉、破伤风阳性率均在90%以上,抗体GMT均高于保护水平,百日咳阳性率和保护率分别为56.19%、3.61%,GMT<1∶320。结论江阴市人群对白喉和破伤风已形成较好的免疫屏障,但人群百日咳抗体水平偏低,应大力推广新型疫苗,并加强监测。
Objective To understand the immunities of pertussis, diphtheria and tetanus among healthy population in Jiangyin and to provide a scientific basis for immunization strategy in time. Methods The levels of pertussis, diphtheria and tetanus in 0, 1, 3, 5, 7, 15, and 20 years of age were randomly selected and monitored. Results The positive rates of diphtheria and tetanus were over 90%. The antibody GMT was higher than the protection level. The positive rates of pertussis and protection were 56.19% and 3.61%, respectively, GMT <1: 320. Conclusions Jiangyin population has a good immune barrier to diphtheria and tetanus, but the level of pertussis antibody in the population is low. Therefore, new vaccines should be vigorously promoted and monitoring should be strengthened.