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調查方法一、地区选择和观察对象: 根据人口集中程度、交通、医疗設施和居民生产生活条件等不同情况,选擇了宁都县城、丘陵及山区三个不同类型的地区,作为种痘反应的覌察点。每一地区內各抽选一代表組作种痘反应覌察对象,年令上不加选擇,职业上有城鎮居民、农民、学生、店員、工人、干部、托儿所的小孩及敬老院的老年人等。二、接种方法及反应判定标准: 确定观察者后,先逐个进行登記,再了解以往种痘史及檢查有无痘疤等,最后进行种痘后的反应
Method of Survey I. Regional Selection and Observation Subjects: According to the population concentration, transportation, medical facilities and production and living conditions of residents, three different types of areas of Ningdu county, hilly and mountainous areas were selected as the observation points for the infection of chickenpox point. In each district, a representative group of each lot selected for observation of the type of acne and observed unaccustomed persons. There were urban residents, peasants, students, clerks, workers, cadres, children in nurseries, elderly people in nursing home and so on . Second, the method of vaccination and reaction to determine the criteria: determine the observer, the first one by one to register, and then learn about the past history of acne and check for pock and so on, the final vaccination after the reaction