我们于1980年3月对1465例正常人进行血清肥达氏反应测定,现将结果分析如下。对象与范围对象的条件:被测对象所在单位五年内无伤寒、副伤寒疫情;本人无伤寒、副伤寒病史、菌苗接种史及密切接触史。测定范围:选择丰、沛和赣榆三个县,每县采样400人左右,兼顾性别的均衡和年龄组人数的比例。 We in March 1980 to 1465 normal subjects serum fat Darth reaction, the results are as follows. The object and the scope of the object conditions: the unit under test no typhoid fever, paratyphoid epidemic within five years; I am no typhoid, paratyphoid fever history, vaccination history and close contact history. Measurement range: Select Feng, Pei and Ganyu three counties, sampling about 400 per county, taking into account the gender balance and the proportion of age groups.