Fig. 1. Timeline of COVID-19. (A) Whole country of Republic of Korea. (B) Religious group in Daegu and Gyeongsangbuk-do. (C) Hospital exposure in Eunpyeong St. Mary's Hospital and the Korea University Anam Hospital emergency room in Seoul.
Patient 31 was the first case related to the religious group. Daenam Hospital has a mental ward where many casualties occurred.
ROK = Republic of Korea, Pt = patient, COVID-19 = Coronavirus disease-19, KCDC = Korea Centers for Disease Control and Prevention, WHO = World Health Organization, PHEIC = Public Health Emergency of International Concern, PCR = polymerase chain reaction, ER = emergency room, sx = symptom.