Clinical Characteristics of COVID-19: Clinical Dynamics of Mild Severe Acute Respiratory Syndrome Coronavirus 2 Infection Detected by Early Active Surveillance.
Hyeon Jeong SuhDeok Hee KimEun-Young HeoHyun Woo LeeJung-Kyu LeeChang Seop LeeMijeong KimYong Duk JeonJin Won ChungYoung Keun KimPyo Jin ShinMi Suk LeeJin Suk KangMyung Jin LeeBaek-Nam KimWan Beom ParkPublished in: Journal of Korean medical science (2020)
Old age was associated with early severe presentation. Clinical aggravation among asymptomatic or mild patients could not be predicted initially but was heralded by fever and several laboratory markers during the clinical course.