研究：新冠病毒抗体可能在数月内消失
<p>就在全球科学家积极研发新冠疫苗的时候，英国的一项研究发现，新冠肺炎患者体内的抗体会在数月内消失，而疫苗提供的抗体可能也会如此，这意味着人们无法通过一次性注射疫苗“一劳永逸”。更糟的是，新冠病毒可能会像感冒一样让人们每年重复感染。</p><p><span word="People">People</span> <span word="who">who</span> <span word="have">have</span> <span word="recovered">recovered</span> <span word="from">from</span> <span word="Covid">Covid</span>-19 <span word="may">may</span> <span word="lose">lose</span> <span word="their">their</span> <span word="immunity">immunity</span> <span word="to">to</span> <span word="the">the</span> <span word="disease">disease</span> <span word="within">within</span> <span word="months">months</span>, <span word="according">according</span> <span word="to">to</span> <span word="research">research</span> <span word="suggesting">suggesting</span> <span word="the">the</span> <span word="virus">virus</span> <span word="could">could</span> <span word="reinfect">reinfect</span> <span word="people">people</span> <span word="year">year</span> <span word="after">after</span> <span word="year">year</span>, <span word="like">like</span> <span word="common">common</span> <span word="colds">colds</span>.</p><p>一项研究显示，新冠肺炎患者康复后可能会在数月内失去对新冠病毒的免疫力，该研究指出，新冠病毒可能会和普通感冒一样让人们每年重复被感染。</p>
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