帝国理工学院免疫学教授丹尼·阿尔特曼周一在CNBC电视台的《欧洲之声》节目上说,依靠新冠病毒免疫力作为应对疫情的策略“有风险”,并补充道,群体免疫策略“很可能永远不会奏效”。
Depending on how contagious an infection is, between 50% and 90% of a population must be immune to achieve herd immunity, according to experts at Johns Hopkins University, who estimate that at least 70% of the population would need to be immune to Covid-19 for herd immunity to be realized.
约翰斯·霍普金斯大学的专家称,要达到群体免疫,50%到90%的人口都必须产生免疫力,比例大小取决于病毒的传染性有多强。专家估计,要实现对新冠病毒的群体免疫,至少70%的人口必须产生免疫力。
Top White House health advisor Dr. Anthony Fauci speculated last month that if Covid-19 behaved like other coronaviruses, there “likely isn’t going to be a long duration of immunity” from antibodies. Meanwhile, the WHO has stated that it remains unclear whether those who have already caught the virus once will be immune to getting it again.
白宫顶级卫生顾问安东尼·福奇博士上月推测,如果新冠病毒和其他冠状病毒的行为模式一样,那么抗体带来的“免疫力应该不会持续很长时间”。与此同时,世界卫生组织指出,尚不清楚曾感染过新冠病毒的人是否能免于再度感染。
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