Clinical Characteristics of Coronavirus Disease 2019: A Review on Laboratory Tests, Comorbidity, and Complication

Abstract

Coronavirus Disease 2019 (COVID-19), a new respiratory disease caused by severe acute respiratory syndrome virus 2, has emerged as an ongoing pandemic and global health emergency. This article primarily aims to describe laboratory tests, comorbidities, and complications, specifically comprise 1) the incubation period and basic epidemiological parameters, 2) clinical manifestations, 3) laboratory tests, including routine blood tests, inflammatory biomarkers, cardiac biomarkers, liver and renal function, and blood coagulation function, 4) chest imaging features, 5) significant comorbidities and complications. This information on the disease conditions would help dissect the disease heterogeneity for appropriately selecting clinical treatment strategies and therapeutic development.