Fig. 4From: Progression of severity in coronavirus disease 2019 patients before treatment and a self-assessment scale to predict disease severityThe Online Coronavirus Disease 2019 Severity Self-Assessment Scale. The scale is available at: http://180.167.250.222:10080/COVID-19-Severity-Self-Assessment-Scale.html. COVID-19, Coronavirus Disease 2019. Shortness of breath is defined here as clinical evidence of altered breathingBack to article page