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Covid-19 reinfection is rare

机译：Covid-19 Reinfect是罕见的

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摘要

BACK in August 2020, a worrying report came in from Reno, Nevada. A 25-year-old man who had recovered from covid-19 in April had fallen ill with it again, and this time his symptoms were worse. He had tested negative for the virus in between bouts, so had been infected twice. Other reports of reinfection were also circulating at the time, raising fears that infections don't lead to long-lasting immunity. Nine months on, however, those fears have receded. Not only is vaccination proving highly effective, a number of large studies in Europe and the US have now shown that while reinfection is possible, it is rare and usually produces mild disease at worst. One such study was carried out over four months in 100 care homes for older people in England. Between June and November 2020, Maria Krutikov at University College London and her colleagues took blood samples from 682 residents and 1429 staff and tested them for antibodies against SARS-CoV-2. Over the next four months, all the subjects were regularly screened for infection using PCR tests.
机译：回到2020年8月，内华达州里诺进来了一份令人担忧的报道。一个从4月19日从Covid-19恢复过来的25岁的男人再次堕落，这次他的症状更糟。他在回合之间的病毒测试了阴性，所以已经被感染了两次。当时还对革命的其他报告也在循环，提高担心感染不会导致持久的免疫力。然而，九个月后，那些恐惧已经消退了。不仅疫苗接种证明高效，欧洲和美国的许多大型研究现在表明，虽然可以进行重新感染，但它是罕见的，通常在最坏的情况下产生轻微的疾病。在英格兰的老年人的100个护理家庭中进行了一个这样的研究。伦敦大学学院和她的同事于6月和11月20日，玛丽亚·克鲁科夫从682名居民和1429名员工中夺取了血液样本，并测试了对抗SARS-COV-2的抗体。在接下来的四个月内，定期筛选所有受试者使用PCR测试进行感染。

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  • 来源
    《New scientist》 |2021年第3339期|14-14|共1页
  • 作者

    Graham Lawton;

  • 作者单位
  • 收录信息 美国《科学引文索引》(SCI);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
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