If immunity is permanent, Covid-19 could disappear for five or more years after the first outbreak, the paper suggests. If people have immunity for about a year, as is seen for some other circulating coronaviruses, an annual outbreak cycle would be the most likely outcome.
研究报告指出,如果被感染者能获得永久的免疫力,那么新冠肺炎疫情将会在第一次暴发至少五年后消失。如果人们的免疫力能持续一年左右,就像其他一些循环流行的冠状病毒一样,那么一年一度的暴发周期将是最可能发生的结果。
Prof Marion Koopmans, the head of virology at the Erasmus University Medical Centre in Rotterdam, whose team is studying the antibody response of those infected, said complete and permanent protection would be unusual for a respiratory virus.
荷兰鹿特丹伊拉斯谟大学医学中心病毒学主任马里恩·科普曼斯教授说,对于呼吸道病毒而言,完全且永久的免疫并不常见。他的团队正在研究被感染者的抗体反应。
"What you would expect to see – hope to see – is that people who have had it once ... the disease would get milder," she said before the latest paper was released.
在这份最新研究报告发布之前,她表示:“你能期待的是——希望如此——那些得过新冠肺炎的人……(再次被感染时)症状会比较轻。”
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