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作者通过斯里兰卡一地方性流行区人群的疟疾监测和流行病学调查,分析病人及病家的聚集现象及疟疾感染危险与住房结构类型的密切关系。选择南方卡塔拉加马的6个邻近村庄为调查研究区。图示该区各家住房位置并按顺序编号,普查登记住房的建筑材料。在共约8km~2有3023居民、住房736栋,将每家庭成员姓名编号登记入卡,自1986年11月起进行被动病例侦查,历时17个月。资料均用计算机处理。全部住房按相近分成280个住房组。由每组的疟疾感染数算出疟疾病例指数(=n/N×10,n=住房组病人数,N=住房组总人数),从各组的平均指数按Pois-son分布公式估算预期发病率。每组发生疟
Through malaria surveillance and epidemiological surveys of people in a endemic area of Sri Lanka, the authors analyzed the association of patients and their families and the close relationship between the risk of malaria infection and the type of housing structure. Six neighboring villages in the southern province of Kataragama were selected as research areas. The location of each house in the district is shown in sequence and census the building materials of the registered houses. In a total of about 8km ~ 2 has 3023 inhabitants, 736 houses, registration of family member name number card, since November 1986 for passive case investigation, which lasted 17 months. Data are processed by computer. All houses are divided into 280 housing groups. The malaria case index (= n / N × 10, n = number of housing units, N = total number of housing units) was calculated from the number of malaria infections in each group, and the expected incidence was estimated from the average index of each group according to the Pois-son distribution formula . Malaria occurs in each group