Table 2.

COVID-19 symptom classes.

Patient Class	SpO2	Cough Rate	Heartbeat	Temperature
Non-symptomatic	≥95%	No cough	≤90 bpm	≤37.2 °C
Mild symptoms	≥95%	≤5/min	≤100 bpm	36 °C ≤ T ≤ 38 °C
Moderate clinical symptoms	93% ≤ SpO2 ≤ 94%	5/min ≤ Cough Rate < 30/min	>100 bpm	≥38 °C
Serious clinical symptoms	≤92%	≥30/min	>120 bpm	>38 °C