Table 1.

COVID-19 severity triage

Mild	Severe	Critical
• Fever • Respiratory symptoms • Pneumonia on chest radiography	• Need to meet one of the following criteria: • Respiratory distress, RR ≥ 30/min • Resting blood oxygen saturation ≤ 93% • Arterial blood oxygen partial pressure (PaO2)/FiO2 ≤ 300 mmHg	• Need to meet one of the following criteria: • Respiratory failure needing mechanical oxygenation • Shock • Development of other organ failures, requiring intensive care unit care