A unique feature of COVID-19 interstitial pneumonia is an abrupt progression to respiratory failure. Our calculation shows that this abrupt deteriorate may be caused by a sudden shift in the spread of virus-laden bioaerosols through the airways to many different regions of the lungs from the initial site of infection.

中文翻译：

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COVID-19患者的急剧恶化和SARS COV-2病毒颗粒在肺中的传播

COVID-19间质性肺炎的一个独特特征是突然发展为呼吸衰竭。我们的计算结果表明，这种突然恶化可能是由于载有病毒的生物气溶胶从感染的最初部位通过呼吸道到肺部许多不同区域的突然传播所引起的。