新冠肺炎痊愈后会出现疲劳感？科学家正在调查中
<p>在新冠肺炎的各种症状逐渐浮出水面的同时，科学家也发现，一些新冠病毒感染者在痊愈后，身体并没有回到之前的状态，而是出现了长期的疲劳感等症状，这些症状可能会持续数周甚至数月。</p><p><span word="Most">Most</span> <span word="people">people</span> <span word="experience">experience</span> <span word="Covid">Covid</span>-19 <span word="as">as</span> <span word="a">a</span> <span word="short">short</span>-<span word="term">term</span> <span word="illness">illness</span>: <span word="once">once</span> <span word="the">the</span> <span word="infection">infection</span> <span word="has">has</span> <span word="been">been</span> <span word="fought">fought</span> <span word="off">off</span>, <span word="they">they</span> <span word="bounce">bounce</span> <span word="back">back</span> <span word="to">to</span> <span word="health">health</span>. <span word="But">But</span> <span word="evidence">evidence</span> <span word="is">is</span> <span word="emerging">emerging</span> <span word="of">of</span> <span word="a">a</span> <span word="significant">significant</span> <span word="minority">minority</span> – <span word="sometimes">sometimes</span> <span word="referred">referred</span> <span word="to">to</span> <span word="as">as</span> “<span word="long">long</span> <span word="haulers">haulers</span>” – <span word="who">who</span> <span word="struggle">struggle</span> <span word="with">with</span> <span word="long">long</span>-<span word="term">term</span> <span word="symptoms">symptoms</span> <span word="for">for</span> <span word="a">a</span> <span word="month">month</span> <span word="or">or</span> <span word="longer">longer</span>.</p><p>大多数感染新冠病毒的人都是经历了一场小病：一旦病毒被击退，他们很快就恢复了健康。然而新的证据显示，少部分人——有时被称为“打持久战的人”——会出现长期的症状，可能持续一个月，也可能更长。</p>
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