The 2019 novel coronavirus (2019-nCoV, COVID-19) has been identified as the pathogen behind the pneumonia outbreak in Wuhan, Hubei Province, China, on December 8, 2019. In South Korea, the country's first patient (who flew in from Wuhan) was identified on January 20, 2020.1 Until February 17, the number of confirmed cases remained relatively stable, with 30 diagnosed patients; however, the situation changed drastically after identification of the 31st patient, and the number of confirmed cases jumped to 2,022 by February 28.