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1996年10月初到11月初，山东省济宁市任城区某村连续发生了50多例不明原因发热、淋巴结肿大的病人。接到疫情报告后，我们立即对发病村及其周围村的疑似病人进行了个案调查。同时，开展了较为系统的流行病学调查，证实是一起恙虫病暴发。并在周围的7个村也发现了相同病人。1材?
From early October to early November 1996, more than 50 cases of unexplained fever and swollen lymph nodes occurred in a village in Rencheng District, Jining City, Shandong Province. Upon receiving the report of the outbreak, we conducted a case-study on the suspected patients in the affected villages and their surrounding villages. At the same time, conducted a more systematic epidemiological investigation, confirmed an outbreak of scrub typhus. And in the surrounding seven villages also found the same patient. 1 material?