格隆汇12月4日｜美国疾病管制与预防中心(CDC)周二表示，与麦当劳供应的洋葱丝有关的致命大肠杆菌爆发事件，在该机构开始调查疫情蔓延一个多月后，感染事件已结束。CDC表示，此次疫情中有14个州的104人被感染。据报道，科罗拉多州一名老年人因此死亡，共有27人住院治疗。 该机构于10月22日首次宣布大肠杆菌爆发。

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