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作者在塞内加尔西部佛得角半岛的一个城市(皮金),从1979年10月到1981年1月的15个月中进行纵向观察。该地位于苏丹热带大草原,气候温暖,各月平均温度为20.5～28.2℃,多数月份的相对湿度为70～80%,1980年降雨量415mm。在1979年雨季,卫生中心门诊中20.6%是疟疾病人。观察区人口1,481人,其中15岁以下儿童占52.5%。当地76%房屋用杀虫剂喷洒,63%居民预防服药,30%居民使用蚊帐。以9个儿童为诱饵每周2次通霄捕蚊,鉴定蚊种,并检查蚊龄、唾腺子孢子和胃血血
The author conducted a longitudinal survey in a city in Cape Verdean peninsula in western Senegal (Pigeon) from 15 October 1979 to January 1981. The site is located in the tropical prairie of Sudan, the climate is warm, the average temperature of each month is 20.5 ~ 28.2 ℃, the relative humidity of most months is 70 ~ 80%, rainfall of 415mm in 1980. In the 1979 rainy season, 20.6% of out-patient clinic centers were malaria patients. The observation area has a population of 1,481, of which 52.5% are children under 15. 76% of the local houses are sprayed with insecticides, 63% of residents prevent taking medicine, and 30% of residents use mosquito nets. Nine children were used as bait 2 times per day to catch mosquitoes, identification of mosquito species, and check the mosquito age, salivary gland sporozoites and stomach blood