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烟台市福山区1984～1996年共报告百日咳发病62例。此期间百日咳免疫预防使用过两种疫苗,1984～1989年为非吸附百白破混合制剂(DPT),1990年改用吸附DPT。为了解这两种DPT控制百日咳的效果,对疫情、预防接种、血清学监测等资料进行分析(血清学检测采用微量法,抗体滴度≥1:20为阳性,≥1:320具有保护水平)。结果为:1984～1996年DPT基础免疫接种率为98.13％～99.92％,加强免疫接种率为98.72％～99.95％;接种非吸附DPT后共检测212人,具有保护水平151人,保护率71.23％,接种吸附
Fushan District, Yantai 1984 ~ 1996 reported a total of 62 cases of pertussis. During this period, two vaccines were used for the immunoprophylaxis of pertussis. From 1984 to 1989, they were non-adsorbed DPT (DPT). In 1990, DPT was used instead. In order to understand the effect of the two DPTs in controlling whooping cough, the epidemic situation, vaccination, serological surveillance and other data were analyzed (serological tests using microdialysis, antibody titer ≥1: 20 positive, ≥1: 320 with protection level) . The results showed that the basic immunization rate of DPT from 1984 to 1996 was 98.13% -99.92%, and the vaccination rate was 98.72% -99.95%. After inoculation of non-adsorbed DPT, a total of 212 people were detected, with a protection level of 151 and a protection rate of 71.23% , Vaccination adsorption