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为了解我市人群流脑带菌和菌群分布状况,探索其在人群中的流行规律及发展趋势,1975年3—4月间,对我市市区和历城县不同人群进行了调查,现将结果报告如下:
In order to understand the prevalence of mycobacteria and flora distribution in our city and to explore their prevalence and trends in the population, from March to April 1975, different populations in our urban area and Licheng County were investigated. The results are reported as follows: