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在新冠肺炎疫情肆虐下，美国红十字会发出通告，要求曾到过中国、香港或澳门的人士，回美后最少相隔28天才捐血。

该会指出，经血液传染新冠肺炎病毒的风险极低，全球至今没有汇报过类似病例，但为安全起见采取上述措施。

香港红十字会上周也宣布了类似措施：捐血人士如曾到访中国，须在离开中国后暂缓捐血28天；曾与新冠肺炎确诊个案出现病征时有密切接触的人，亦须暂缓捐血28天；至于曾被确诊感染的人，则须于康复后满180天才可捐血。