Published time: 06 April 2020
Authors: Joon-Young Song, M.D., Ph.D., Jin-Gu Yun, M.D., Ph.D., Ji-Yun Noh, M.D., Ph.D., Hee-Jin Cheong, M.D., Ph.D., Woo-Joo Kim, M.D., Ph.D.
Keywords: COVID-19, Epidemics, South Korea
The first confirmed case of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection in South Korea was imported from China on January 20, 2020. By February 10, there were 28 cases of laboratory-confirmed coronavirus 2019 (Covid-19, the illness caused by SARS-CoV-2 infection) in South Korea (Fig. S1 in the Supplementary Appendix, available with the full text of this letter at NEJM.org). The characteristics of these patients1 and the patient numbers are provided in Table S1. The median age of the patients was 41 years (range, 21 to 73), and 15 of the 28 patients (54%) were men. The mean interval (±SD) from symptom onset to diagnosis was 4.3±4.1 days.
Covid-19 in South Korea ÔÇö Challenges of Subclinical Manifestations