1987年5～7月,共和县瓦里关多隆沟二村发生一起百日咳暴发。两村共发生病人127例,死亡7例,发病率和死亡率分别为96.73/10万和5.30/10万,病死率为5.52%。127例中年龄最大15岁,最小个2月,以2～9岁年龄组最高。本次流行因首发病例未治疗家长带患儿到寺院拜佛求经,在家中拖延10～20天后病情加重,造成人群中蔓 From May to July 1987, a pertussis outbreak occurred in Duolunou Village, Wariwan County, Gonghe County. There were 127 patients and 7 deaths in two villages. The morbidity and mortality were 96.73 / lakh and 5.30 / lakh respectively, and the case fatality rate was 5.52%. Among the 127 cases, the oldest was 15 years old and the youngest was 2 months, with the highest in the age group of 2 to 9 years. The epidemic due to the first untreated cases of untreated parents with children to the temple to worship the Buddha, at home delay 10 to 20 days after the aggravating condition, resulting in the crowd of vine