新冠患病初期传染性强
<p><span word="Most">Most</span> <span word="infectious">infectious</span> <span word="at">at</span> 1<span word="st">st</span> <span word="signs">signs</span></p><p>新冠患病初期传染性强</p><p><span word="Studies">Studies</span> <span word="show">show</span> <span word="people">people</span> <span word="with">with</span> <span word="the">the</span> <span word="novel">novel</span> <span word="coronavirus">coronavirus</span> <span word="are">are</span> <span word="most">most</span> <span word="infectious">infectious</span> <span word="just">just</span> <span word="at">at</span> <span word="the">the</span> <span word="point">point</span> <span word="when">when</span> <span word="they">they</span> <span word="first">first</span> <span word="begin">begin</span> <span word="to">to</span> <span word="feel">feel</span> <span word="unwell">unwell</span>, <span word="World">World</span> <span word="Health">Health</span> <span word="Organization">Organization</span> (<span word="WHO">WHO</span>) <span word="experts">experts</span> <span word="said">said</span> <span word="on">on</span> <span word="Tuesday">Tuesday</span>.</p><p>世界卫生组织专家6月9日称，研究显示，新冠病毒患者一开始感到身体不适时最具传染性。</p><p><span word="This">This</span> <span word="feature">feature</span> <span word="has">has</span> <span word="made">made</span> <span word="it">it</span> <span word="so">so</span> <span word="hard">hard</span> <span word="to">to</span> <span word="control">control</span> <span word="spread">spread</span> <span word="of">of</span> <span word="the">the</span> <span word="virus">virus</span> <span word="that">that</span> <span word="causes">causes</span> <span word="COVID">COVID</span>-19, <span word="but">but</span> <span word="it">it</span> <span word="can">can</span> <span word="be">be</span> <span word="done">done</span> <span word="through">through</span> <span word="rigorous">rigorous</span> <span word="testing">testing</span> <span word="and">and</span> <span word="social">social</span> <span word="distancing">distancing</span>, <span word="they">they</span> <span word="said">said</span>.</p><p>这一特点使得控制新冠病毒传播非常困难，但仍可通过严格检测和社交距离得以实现。</p>
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