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据美国《华盛顿邮报》报道，美国俄勒冈州确诊首例不明来源的新冠肺炎病例，这也是美国确诊的第三例不明来源的新冠肺炎病例者。 《华盛顿邮报》报道截图 报道称，该患者来自华盛顿郡，没有前往疫情严重地区旅行的已知记录，也没有接触过已知的新冠肺炎病例。这也是俄勒冈州首例新冠肺炎确诊病例。 A northwest Oregon resident has tested positive for coronavirus with no known history of travel to countries severely affected by the outbreak and no known contact with infected individuals, state health officials said Friday. The case, in Washington County, marks the third case of unknown origin in the United States and indicates that the virus is spreading. It is also the first coronavirus case in Oregon. 根据美国广播公司 （ABC News） 的消息，当地卫生部
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