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Table 2 Discharge diagnosis criteria

From: The characteristics of laboratory tests at admission and the risk factors for adverse clinical outcomes of severe and critical COVID-19 patients

No fever for at least three days
Significant improvement in both lungs on a chest computed tomography (CT) scan
Clinical relief from respiratory symptoms
Two sequential SARS-CoV-2 RNA negative throat swab samples obtained at least 24 h apart
  1. The above four conditions must be met at the same time
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