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患者男,25岁。1989年6月10日在森林作业中右下肢内侧被蜱咬伤,次日局部皮肤红斑并逐渐扩大如鸡
Male patient, 25 years old. On June 10, 1989, the ticks were bitten by the ticks on the right lower extremities during the forest work. The local skin erythema on the next day was gradually enlarged,