群体免疫真的靠谱吗？西班牙新研究提出质疑
<p>通过大部分人口产生免疫力来阻断病毒传播的群体免疫策略，在西方国家中一直被寄予厚望。日前，西班牙的一项大规模研究得出结果称，从西班牙人口产生新冠病毒抗体的比例来看，群体免疫恐怕难以实现。</p><p> <span word="A">A</span> <span word="woman">woman</span> <span word="wearing">wearing</span> <span word="a">a</span> <span word="protective">protective</span> <span word="face">face</span> <span word="mask">mask</span> <span word="walks">walks</span> <span word="past">past</span> <span word="a">a</span> <span word="closed">closed</span> <span word="souvenirs">souvenirs</span> <span word="store">store</span>, <span word="amid">amid</span> <span word="the">the</span> <span word="coronavirus">coronavirus</span> <span word="disease">disease</span> (<span word="COVID">COVID</span>-19) <span word="outbreak">outbreak</span>, <span word="in">in</span> <span word="Madrid">Madrid</span>, <span word="Spain">Spain</span>, <span word="July">July</span> 8, 2020. <span word="REUTERS">REUTERS</span>/<span word="Susana">Susana</span> <span word="Vera">Vera</span></p><p><span word="Covid">Covid</span>-19 <span word="antibodies">antibodies</span> <span word="in">in</span> <span word="Spain">Spain</span>’<span word="s">s</span> <span word="population">population</span> “<span word="are">are</span> <span word="insufficient">insufficient</span> <span word="to">to</span> <span word="provide">provide</span> <span word="herd">herd</span> <span word="immunity">immunity</span>,” <span word="a">a</span> <span word="new">new</span> <span word="study">study</span> <span word="has">has</span> <span word="claimed">claimed</span>, <span word="despite">despite</span> <span word="the">the</span> <span word="country">country</span> <span word="being">being</span> <span word="one">one</span> <span word="of">of</span> <span word="the">the</span> <span word="worst">worst</span>-<span word="affected">affected</span> <span word="by">by</span> <span word="the">the</span> <span word="pandemic">pandemic</span>.</p><p>尽管西班牙是受疫情冲击最严重的国家之一，但一项新研究称，西班牙人口的新冠病毒抗体“不足以产生群体免疫”。</p><p><span word="In">In</span> <span word="a">a</span> <span word="peer">peer</span>-<span word="reviewed">reviewed</span> <span word="paper">paper</span> <span word="published">published</span> <span word="in">in</span> <span word="the">the</span> <span word="Lancet">Lancet</span> <span word="medical">medical</span> <span word="journal">journal</span> <span word="Monday">Monday</span>, <span word="researchers">researchers</span> <span word="from">from</span> <span word="Harvard">Harvard</span>, <span word="MIT">MIT</span> <span word="and">and</span> <span word="several">several</span> <span word="Spanish">Spanish</span> <span word="institutions">institutions</span> <span word="analyzed">analyzed</span> <span word="findings">findings</span> <span word="from">from</span> <span word="a">a</span> <span word="widescale">widescale</span> <span word="study">study</span> <span word="on">on</span> <span word="antibody">antibody</span> <span word="prevalence">prevalence</span> <span word="in">in</span> <span word="Spain">Spain</span>.</p><p>本周一<span word="More">More</span> <span word="than">than</span> 251,700 <span word="cases">cases</span> <span word="of">of</span> <span word="coronavirus">coronavirus</span> <span word="have">have</span> <span word="been">been</span> <span word="confirmed">confirmed</span> <span word="in">in</span> <span word="Spain">Spain</span>, <span word="while">while</span> <span word="the">the</span> <span word="virus">virus</span> <span word="has">has</span> <span word="killed">killed</span> 28,388 <span word="people">people</span> <span word="in">in</span> <span word="the">the</span> <span word="country">country</span> <span word="to">to</span> <span word="date">date</span>, <span word="according">according</span> <span word="to">to</span> <span word="data">data</span> <span word="compiled">compiled</span> <span word="by">by</span> <span word="Johns">Johns</span> <span word="Hopkins">Hopkins</span> <span word="University">University</span>. <span word="With">With</span> 607 <span word="deaths">deaths</span> <span word="per">per</span> <span word="million">million</span> <span word="people">people</span>, <span word="Spain">Spain</span> <span word="has">has</span> <span word="the">the</span> <span word="third">third</span>-<span word="highest">highest</span> <span word="number">number</span> <span word="of">of</span> <span word="deaths">deaths</span> <span word="relative">relative</span> <span word="to">to</span> <span word="population">population</span> <span word="in">in</span> <span word="the">the</span> <span word="world">world</span>, <span word="according">according</span> <span word="to">to</span> <span word="Our">Our</span> <span word="World">World</span> <span word="in">in</span> <span word="Data">Data</span>.</p><p>根据约翰斯·霍普金斯大学编纂的数据，西班牙确诊的新冠肺炎病例逾251700例，迄今为止新冠病毒已导致该国28388人丧生。用数据看世界网站的数据显示，西班牙每100万人中就有607人死于新冠肺炎，死亡率排全球第三。</p>
页:
[1]