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最近英国报道百日咳菌苗的效果不好,因而影响了DTP的接种率,结果百日咳的发病率增高。1979年1月,美国召开各州流行病学家会议,批准了百日咳全国性监测系统的建立,以期获得关于百日咳的发病率及菌苗接种效果的最新资料。本文报道了加强监测后的第一年结果,包括百日咳发病率及实验室诊断的资料。共报告百日咳病例324例,1岁以下儿童有199例(61％),1～9岁92例(28％),10～
Recent reports of pertussis bacilli in the UK have not been as effective, thus affecting the DTP vaccination rate, resulting in an increased incidence of pertussis. In January 1979, the United States convened a meeting of state epidemiologists and approved the establishment of a nationwide monitoring system for whooping cough, with a view to obtaining up-to-date information on the incidence of pertussis and the efficacy of vaccine inoculation. This article reports the results of the first year of intensive surveillance, including the incidence of pertussis and laboratory diagnostic data. A total of 324 cases of whooping cough were reported, 199 cases (61%) of children under 1 year old, 92 cases (28%) aged 9 to 9,