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复阳病例是否还有传染性?吴尊友解读!

2021-01-27 39健康网 39健康网

近日,广东、山西等地出现复阳病例。

中国疾控中心流行病学首席专家吴尊友表示,部分相关病人在出院后的随访中又查出了核酸阳性,出现这种现象有三种可能。

1、核酸检测出现假阴性或假阳性:出院前的两次核酸阴性是假阴性,或者随访的核酸阳性,结果是假阳性。

2、病毒又重新活跃起来。

3、再次感染

有限的研究提示,这种病人的传染性不强,目前还没有观察到造成传播的案例,对于第三种情况再次感染,其传染性与其他首次感染的病人相似。总体来说,出现病人在随访中再次出现核酸阳性的比例不高,约在5%以下。

中国疾控中心副主任冯子健表示,复阳现象为被感染者中的小概率事件。并且,他表示,现在发现的复阳的病人,这些人不管是病人还是感染者,导致继续传播的事情并不多见。

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    2021-09-21 xzw113
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    2021-01-27 易水河

    学习学习了

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