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一、百日咳的菌苗接种由于接种百日咳菌苗后发生脑炎问题的争论,使英格兰与威尔士的百日咳预防接种率从1973年的79%下降为1978年的31%,因而1977～1979年百日咳在该地区的发病率比20年前任何流行期均高。1977～1980年该地区有28例百日咳患者死亡,但同期因接种百日咳菌苗后7天内发生神经学症状而死
First, the vaccination of whooping cough due to controversy encephalitis occurred after vaccination pertussis vaccine, so that in England and Wales, whooping cough vaccination rate dropped from 79% in 1973 to 31% in 1978, and therefore from 1977 to 1979 whooping cough in The incidence in the area is higher than any epidemic 20 years ago. In the period from 1977 to 1980, 28 patients with pertussis died in the area, but died of neurological symptoms within 7 days after inoculation of pertussis vaccine