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1985年9.10两月,西安市某医院的学生、职工和家属38人不明原因高热,伴剧烈头痛,部分病例肝脾肿大,胸背腹部有散在的充血性
In 1985, in October of 1985, 38 students, workers and relatives of a hospital in Xi’an City were exposed to unexplained fever and severe headache. Some patients had hepatosplenomegaly and congenital congestive