COVID-19 natural history, complications and prognosis

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

The clinical course of the disease consists of three major patterns:
- Mild illness with upper respiratory tract presenting symptoms
- Non-life-threatening pneumonia
- Severe pneumonia with acute respiratory distress syndrome (ARDS) that begins with mild symptoms for 7 - 8 days and progressing to rapid deterioration and ARDS requiring advanced life support