Time-of-Day Variation in SARS-CoV-2 RNA Levels during the Second Wave of COVID-19.

Time-of-Day Variation in SARS-CoV-2 RNA Levels during the Second Wave of COVID-19.
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DOI:
10.3390/v14081728
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发表时间:
2022-08-05
期刊:
Viruses
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其他
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昼夜节律影响和协调生物体对其环境和入侵病原体的反应。我们研究了2020年末至2021年春季采集的严重急性呼吸综合征冠状病毒2型(SARS-CoV-2)鼻咽拭子中RNA的日变化,人群对SARS-CoV-2免疫幼稚,并在广泛接种疫苗之前。来自1698名参与者的SARS-CoV-2诊断聚合酶链式反应数据显示,当应用线性混合模型时,下午获取的样本中,男性和住院患者的病毒载量显著较高。这项研究说明了在临床和研究研究中测量病毒复制参数时记录样本收集时间的重要性。
Circadian rhythms influence and coordinate an organism’s response to its environment and to invading pathogens. We studied the diurnal variation in severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) RNA in nasal/throat swabs collected in late 2020 to spring 2021 in a population immunologically naïve to SARS-CoV-2 and prior to widespread vaccination. SARS-CoV-2 diagnostic PCR data from 1698 participants showed a significantly higher viral load in samples obtained in the afternoon, in males, and in hospitalised patients when linear mixed modelling was applied. This study illustrates the importance of recording sample collection times when measuring viral replication parameters in clinical and research studies.
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