Table 1.

COVID-19 disease classification, signs and symptoms, and antibiotic use according to the 2020 WHO clinical management guidelines.

Disease Severity	Signs and Symptoms	Antibiotic Use
Asymptomatic	No symptoms	No
Mild	Fever, cough, fatigue, anorexia, shortness of breath, myalgia	No
Moderate	Fever, cough, dyspnoea, fast breathing, SpO2 ≥ 90% on room air	Yes, only if suspicion of bacterial infection
Severe	Fever, cough, dyspnoea, fast breathing, respiratory rate > 30 breaths/min, severe respiratory distress, SpO2 < 90% on room air	Yes, only if suspicion of bacterial infection
Critical	Lobar or lung collapse, respiratory failure, PaO2/FiO2a ≤ 300 mmHg- PaO2/FiO2 ≤ 100 mmHg, acute life-threatening organ dysfunction, fast heart rate, weak pulse, cold extremities or low blood pressure, skin mottling, coagulopathy, thrombocytopenia, acidosis, high lactate, or hyperbilirubinemia.	Yes, within one hour of admission

SpO2—Oxygen saturation; PaO2—Partial pressure of oxygen; FiO2—Fraction of inspired oxygen.