On February 24, 2020, the Central Epidemic Command Center (CECC) reported that the number of coronavirus disease 2019 (COVID-19) cases in South Korea had risen sharply to 763, and said that large clusters of infections at a church and in hospitals were fueling the outbreak by community transmission. The city of Daegu and Cheongdo County in North Gyeongsang Province have been designated special management zones. Based on the risk of COVID-19 infection, the CECC has raised its travel notice level to Level 3: Warning, and advises the public to avoid all non-essential travel to South Korea.

In addition, the CECC announced that starting from February 25, foreign nationals entering Taiwan from South Korea must undergo a 14-day period of home quarantine; that starting from February 25 until the end of February 26, Taiwanese nationals entering Taiwan from South Korea must conduct a 14-day period of self-health management; and that starting from February 27, Taiwanese nationals entering Taiwan from South Korea must undergo a 14-day period of home quarantine.