Few passengers are seen on a departing train in Seoul, South Korea, March 7, 2020. South Korea confirmed 274 more cases of the COVID-19 on Saturday, raising the total number of infections to 7,041 as of 4:00 p.m. (NEWSIS/Handout via Xinhua)

Few tourists are seen in a popular scenic spot in Seoul, South Korea, March 7, 2020. South Korea confirmed 274 more cases of the COVID-19 on Saturday, raising the total number of infections to 7,041 as of 4:00 p.m. (NEWSIS/Handout via Xinhua)

Photo taken on March 7, 2020 shows few guests eating in a restaurant at the Seoul Railway Station in Seoul, South Korea. South Korea confirmed 274 more cases of the COVID-19 on Saturday, raising the total number of infections to 7,041 as of 4:00 p.m. (NEWSIS/Handout via Xinhua)

Workers deliver necessities to people in quarantine at an apartment in Daegu, South Korea, March 7, 2020. South Korea confirmed 274 more cases of the COVID-19 on Saturday, raising the total number of infections to 7,041 as of 4:00 p.m. (NEWSIS/Handout via Xinhua)

Photo taken on March 7, 2020 shows a view of a street in a popular shopping district in Seoul, South Korea. South Korea confirmed 274 more cases of the COVID-19 on Saturday, raising the total number of infections to 7,041 as of 4:00 p.m. (NEWSIS/Handout via Xinhua)

A COVID-19 patient arrives at a hospital in Daegu, South Korea, March 7, 2020. South Korea confirmed 274 more cases of the COVID-19 on Saturday, raising the total number of infections to 7,041 as of 4:00 p.m. (NEWSIS/Handout via Xinhua)