Diagnosis of Coronavirus Disease 2019

The first massive outbreak of coronavirus disease 2019 (COVID-19) in Korea was controlled by fast diagnosis, isolation and triage systems The development of therapeutic agents and vaccinations are going on, but many studies clarified the nature of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) In this review, we will discuss the characteristics and spreading of SARS-CoV-2, and prognostic factors and diagnosis of COVID-19