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本文根据旅大市1956～1959年结核防治院的卡介苗接种工作资料,就四年来旅大市与肺结核患者一起生活居住的1965名接触儿童感染情况进行统计分析。平均感染率为46.7%,1956年是43.3%,1957年是46.9%,1958年是44.9%,1959年是55.6%。这个数字高于旅大市历年来一般同龄儿童的感染率约一倍。逐年的比例如下表1。
Based on the data of BCG vaccination conducted by Tuberculosis Prevention and Treatment Center from 1956 to 1959 in Lvda City, this paper makes a statistical analysis on the infection status of 1965 exposed children living and living with tuberculosis patients in Luda University over the past four years. The average infection rate was 46.7%, compared with 43.3% in 1956, 46.9% in 1957, 44.9% in 1958 and 55.6% in 1959. This figure is higher than Luda City over the years the average age of children infected about doubled. The proportion of each year is shown in Table 1 below.