世界卫生组织：不排除新冠病毒可以通过空气传播
<p>继全球239名科学家发表公开信呼吁世界卫生组织重视新冠病毒空气传播后，日前世界卫生组织发布新指导意见称，不排除新冠病毒在室内通过空气微粒传播的可能性，但还需要进一步调查来证实。</p><p> <span word="Healthcare">Healthcare</span> <span word="workers">workers</span> <span word="assist">assist</span> <span word="a">a</span> <span word="resident">resident</span> <span word="in">in</span> <span word="putting">putting</span> <span word="her">her</span> <span word="mask">mask</span> <span word="on">on</span> <span word="outside">outside</span> <span word="of">of</span> <span word="a">a</span> <span word="public">public</span> <span word="housing">housing</span> <span word="tower">tower</span>, <span word="reopened">reopened</span> <span word="the">the</span> <span word="previous">previous</span> <span word="night">night</span> <span word="after">after</span> <span word="being">being</span> <span word="locked">locked</span> <span word="down">down</span> <span word="in">in</span> <span word="response">response</span> <span word="to">to</span> <span word="an">an</span> <span word="outbreak">outbreak</span> <span word="of">of</span> <span word="the">the</span> <span word="coronavirus">coronavirus</span> <span word="disease">disease</span> (<span word="COVID">COVID</span>-19), <span word="in">in</span> <span word="Melbourne">Melbourne</span>, <span word="Australia">Australia</span>, <span word="July">July</span> 10, 2020. <span word="REUTERS">REUTERS</span>/<span word="Sandra">Sandra</span> <span word="Sanders">Sanders</span></p><p><span word="The">The</span> <span word="World">World</span> <span word="Health">Health</span> <span word="Organization">Organization</span> <span word="published">published</span> <span word="new">new</span> <span word="guidance">guidance</span> <span word="Thursday">Thursday</span>, <span word="saying">saying</span> <span word="it">it</span> <span word="can">can</span>’<span word="t">t</span> <span word="rule">rule</span> <span word="out">out</span> <span word="the">the</span> <span word="possibility">possibility</span> <span word="that">that</span> <span word="the">the</span> <span word="coronavirus">coronavirus</span> <span word="can">can</span> <span word="be">be</span> <span word="transmitted">transmitted</span> <span word="through">through</span> <span word="air">air</span> <span word="particles">particles</span> <span word="in">in</span> <span word="closed">closed</span> <span word="spaces">spaces</span> <span word="indoors">indoors</span>, <span word="including">including</span> <span word="in">in</span> <span word="gyms">gyms</span> <span word="and">and</span> <span word="restaurants">restaurants</span>.</p><p>世界卫生组织周四<span word="The">The</span> <span word="WHO">WHO</span> <span word="previously">previously</span> <span word="acknowledged">acknowledged</span> <span word="that">that</span> <span word="the">the</span> <span word="virus">virus</span> <span word="may">may</span> <span word="become">become</span> <span word="airborne">airborne</span> <span word="in">in</span> <span word="certain">certain</span> <span word="environments">environments</span>, <span word="such">such</span> <span word="as">as</span> <span word="during">during</span> “<span word="medical">medical</span> <span word="procedures">procedures</span> <span word="that">that</span> <span word="generate">generate</span> <span word="aerosols">aerosols</span>.” <span word="The">The</span> <span word="new">new</span> <span word="guidance">guidance</span> <span word="recognizes">recognizes</span> <span word="some">some</span> <span word="research">research</span> <span word="that">that</span> <span word="suggests">suggests</span> <span word="the">the</span> <span word="virus">virus</span> <span word="may">may</span> <span word="be">be</span> <span word="able">able</span> <span word="to">to</span> <span word="spread">spread</span> <span word="through">through</span> <span word="particles">particles</span> <span word="in">in</span> <span word="the">the</span> <span word="air">air</span> <span word="in">in</span> “<span word="indoor">indoor</span> <span word="crowded">crowded</span> <span word="spaces">spaces</span>.” <span word="It">It</span> <span word="cited">cited</span> “<span word="choir">choir</span> <span word="practice">practice</span>, <span word="in">in</span> <span word="restaurants">restaurants</span> <span word="or">or</span> <span word="in">in</span> <span word="fitness">fitness</span> <span word="classes">classes</span>” <span word="as">as</span> <span word="possible">possible</span> <span word="areas">areas</span> <span word="of">of</span> <span word="airborne">airborne</span> <span word="transmission">transmission</span>.</p><p>世界卫生组织此前承认，新冠病毒可能会在特定环境中通过空气传播，比如在“能产生气溶胶的医疗过程中”。新指导意见认可了一些研究发现，即病毒可能会在“室内拥挤空间”中通过空气中的微粒传播。意见援引了“唱诗班、餐厅或健身课”作为可能出现空气传播的地方。</p>
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