研究：英国新冠疫情或存在1300多个不同源头
<p>英国一家机构的研究表明，英国的疫情并非由单一一位“零号病人”引起，而是存在至少1300个不同的源头。研究还发现，英国最初的新冠肺炎病例大多来自欧洲国家，直接来自中国的不到0.1%。</p><p> <span word="A">A</span> <span word="woman">woman</span> <span word="and">and</span> <span word="child">child</span> <span word="wearing">wearing</span> <span word="protective">protective</span> <span word="face">face</span> <span word="masks">masks</span> <span word="get">get</span> <span word="off">off</span> <span word="a">a</span> <span word="bus">bus</span> <span word="in">in</span> <span word="London">London</span> <span word="on">on</span> <span word="Wednesday">Wednesday</span>, <span word="complying">complying</span> <span word="with">with</span> <span word="a">a</span> <span word="new">new</span> <span word="rule">rule</span> <span word="that">that</span> <span word="requires">requires</span> <span word="people">people</span> <span word="using">using</span> <span word="public">public</span> <span word="transport">transport</span> <span word="in">in</span> <span word="the">the</span> <span word="UK">UK</span> <span word="to">to</span> <span word="wear">wear</span> <span word="face">face</span> <span word="coverings">coverings</span>. <span word="HENRY">HENRY</span> <span word="NICHOLLS">NICHOLLS</span>/<span word="REUTERS">REUTERS</span></p><p><span word="Coronavirus">Coronavirus</span> <span word="was">was</span> <span word="brought">brought</span> <span word="into">into</span> <span word="the">the</span> <span word="UK">UK</span> <span word="on">on</span> <span word="at">at</span> <span word="least">least</span> 1,300 <span word="separate">separate</span> <span word="occasions">occasions</span>, <span word="a">a</span> <span word="major">major</span> <span word="analysis">analysis</span> <span word="of">of</span> <span word="the">the</span> <span word="genetics">genetics</span> <span word="of">of</span> <span word="the">the</span> <span word="virus">virus</span> <span word="shows">shows</span>.</p><p>一项对新冠病毒基因的大型分析显示，新冠病毒至少由1300个不同的源头传入英国。</p><p><span word="The">The</span> <span word="study">study</span>, <span word="by">by</span> <span word="the">the</span> <span word="Covid">Covid</span>-19 <span word="Genomics">Genomics</span> <span word="UK">UK</span> <span word="consortium">consortium</span> (<span word="Cog">Cog</span>-<span word="UK">UK</span>), <span word="completely">completely</span> <span word="quashes">quashes</span> <span word="the">the</span> <span word="idea">idea</span> <span word="that">that</span> <span word="a">a</span> <span word="single">single</span> "<span word="patient">patient</span> <span word="zero">zero</span>" <span word="started">started</span> <span word="the">the</span> <span word="whole">whole</span> <span word="UK">UK</span> <span word="outbreak">outbreak</span>.</p><p>由新冠英国基因组学联盟进行的这项研究，彻底推翻了单一“零号病人”引发英国全部疫情的观点。</p><p><span word="quash">quash</span> [<span word="kw">kw</span>ɒʃ]：<span word="vt">vt</span>.撤销；宣布无效</p><p><span word="The">The</span> <span word="analysis">analysis</span> <span word="also">also</span> <span word="finds">finds</span> <span word="China">China</span> <span word="had">had</span> <span word="a">a</span> <span word="negligible">negligible</span> <span word="impact">impact</span> <span word="on">on</span> <span word="cases">cases</span> <span word="in">in</span> <span word="the">the</span> <span word="UK">UK</span>.</p><p>分析还发现，中国对英国病例的影响微不足道。</p><p><span word="Instead">Instead</span> <span word="those">those</span> <span word="initial">initial</span> <span word="cases">cases</span> <span word="came">came</span> <span word="mostly">mostly</span> <span word="from">from</span> <span word="European">European</span> <span word="countries">countries</span>.</p><p>相反，英国最初的病例大多来自欧洲国家。</p><p><span word="The">The</span> <span word="researchers">researchers</span> <span word="analysed">analysed</span> <span word="the">the</span> <span word="genetic">genetic</span> <span word="code">code</span> <span word="of">of</span> <span word="viral">viral</span> <span word="samples">samples</span> <span word="taken">taken</span> <span word="from">from</span> <span word="more">more</span> <span word="than">than</span> 20,000 <span word="people">people</span> <span word="infected">infected</span> <span word="with">with</span> <span word="coronavirus">coronavirus</span> <span word="in">in</span> <span word="the">the</span> <span word="UK">UK</span>.</p>
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