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作者观察了副百日咳病在一托儿所的暴发流行,并进行了流行病学和临床学特点的分析。该托儿所共有98名儿童,年龄均在1—4岁,分四个班收托,自首例发病三个半月內,有了6名(77.8％)儿童患副百日咳病。在托儿所的工作人員中未发現副百日咳患者。副百日咳病例从11月增多,发病集中于11月中旬至12月上旬。追查传染源时发現,首例患者曾于9月28日发病,为輕型的副百日咳患儿。在这次流行中观察到,副百日咳的潜伏期平均为7—15天。主要临床表現是急性上呼吸道感染、气管炎和支气管炎。而个別小儿可表現为輕微的百日咳症状。临床病型中,輕型占53.9％,中重型占46.1％;病程最短10天,多在16—40天,平均25天。仅5例因有反复的肺炎和支气管炎,具有迁延特征,病程在40天以上。
The authors looked at the outbreak of parap pertussis in a nursery and analyzed epidemiological and clinical characteristics. The nursery has a total of 98 children, all ages 1-4, receiving care in four classes. Six (77.8%) children had vice whooping cough within three and a half months of their first episode. Parasitology patients were not found in nursery staff. Vice pertussis cases increased from November, the incidence concentrated in mid-November to early December. Tracing the source of infection found that the first patient had on September 28 the incidence of mild vice whooping cough children. In this epidemic, it was observed that the incubation period for parathion was 7-15 days on average. The main clinical manifestations are acute upper respiratory tract infection, bronchitis and bronchitis. Individual children may show mild pertussis symptoms. The clinical type, light accounted for 53.9%, 46.1% of the heavy; duration of the shortest 10 days, mostly in 16-40 days, an average of 25 days. Only 5 cases due to repeated pneumonia and bronchitis, with persistent features, duration of 40 days or more.