The COVID-19 in South Korea, Mar 18, 2020 : Wearing masks, people walk past a banner placed by a ward office to inform 'no busking' in Seoul, South Korea. South Korean government restricted religious gatherings, indoor sports activities and visits to nightclubs and other entertainment venues to slow the new coronavirus pandemic that emerged in China late last year. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

The COVID-19 in South Korea, Mar 18, 2020 : Wearing masks, people walk past a banner placed by a ward office to inform 'no busking' in Seoul, South Korea. South Korean government restricted religious gatherings, indoor sports activities and visits to nightclubs and other entertainment venues to slow the new coronavirus pandemic that emerged in China late last year. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

The COVID-19 in South Korea, Mar 18, 2020 : Wearing masks, people walk past a banner placed by a ward office to inform 'no busking' in Seoul, South Korea. South Korean government restricted religious gatherings, indoor sports activities and visits to nightclubs and other entertainment venues to slow the new coronavirus pandemic that emerged in China late last year. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

The COVID-19 in South Korea, Mar 18, 2020 : Wearing masks, people walk at a shopping district in Seoul, South Korea. South Korean government restricted religious gatherings, indoor sports activities and visits to nightclubs and other entertainment venues to slow the new coronavirus pandemic that emerged in China late last year. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

The COVID-19 in South Korea, Mar 18, 2020 : Wearing masks, people walk along Cheonggyecheon Stream in central Seoul, South Korea. South Korean government restricted religious gatherings, indoor sports activities and visits to nightclubs and other entertainment venues to slow the new coronavirus pandemic that emerged in China late last year. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

The COVID-19 in South Korea, Mar 18, 2020 : Wearing masks, people cross Cheonggyecheon stream on stepping-stones in central Seoul, South Korea. South Korean government restricted religious gatherings, indoor sports activities and visits to nightclubs and other entertainment venues to slow the new coronavirus pandemic that emerged in China late last year. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

The COVID-19 in South Korea, Mar 18, 2020 : A restaurant employee who delivers food, wears a mask in central Seoul, South Korea. South Korean government restricted religious gatherings, indoor sports activities and visits to nightclubs and other entertainment venues to slow the new coronavirus pandemic that emerged in China late last year. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

The COVID-19 in South Korea, Mar 18, 2020 : Wearing a mask, a man is riding on a bus in central Seoul, South Korea. South Korean government restricted religious gatherings, indoor sports activities and visits to nightclubs and other entertainment venues to slow the new coronavirus pandemic that emerged in China late last year. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

The COVID-19 in South Korea, Mar 18, 2020 : Wearing masks, people wait for buses at a bus stop in central Seoul, South Korea. South Korean government restricted religious gatherings, indoor sports activities and visits to nightclubs and other entertainment venues to slow the new coronavirus pandemic that emerged in China late last year. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

The COVID-19 in South Korea, Mar 18, 2020 : Tourists wearing masks at a shopping district in central Seoul, South Korea. South Korean government restricted religious gatherings, indoor sports activities and visits to nightclubs and other entertainment venues to slow the new coronavirus pandemic that emerged in China late last year. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

The COVID-19 in South Korea, Mar 18, 2020 : People wearing masks in central Seoul, South Korea. South Korean government restricted religious gatherings, indoor sports activities and visits to nightclubs and other entertainment venues to slow the new coronavirus pandemic that emerged in China late last year. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

The COVID-19 in South Korea, Mar 18, 2020 : An office worker wearing a mask in central Seoul, South Korea. South Korean government restricted religious gatherings, indoor sports activities and visits to nightclubs and other entertainment venues to slow the new coronavirus pandemic that emerged in China late last year. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

The COVID-19 in South Korea, Mar 18, 2020 : Wearing masks, people cross Cheonggyecheon stream on stepping-stones in central Seoul, South Korea. South Korean government restricted religious gatherings, indoor sports activities and visits to nightclubs and other entertainment venues to slow the new coronavirus pandemic that emerged in China late last year. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

The COVID-19 in South Korea, Mar 18, 2020 : Wearing masks, people cross Cheonggyecheon stream on stepping-stones in central Seoul, South Korea. South Korean government restricted religious gatherings, indoor sports activities and visits to nightclubs and other entertainment venues to slow the new coronavirus pandemic that emerged in China late last year. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

The COVID-19 in South Korea, Mar 18, 2020 : Wearing masks, people walk past a banner placed by a ward office to inform 'no busking' in Seoul, South Korea. South Korean government restricted religious gatherings, indoor sports activities and visits to nightclubs and other entertainment venues to slow the new coronavirus pandemic that emerged in China late last year. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

Single-person COVID-19 testing booth, Mar 18, 2020 : A member of medical team disinfects a booth of single-person COVID-19 testing facilities outside a hospital in Seoul, South Korea. The H-plus Yangji Hospital set up public telephone booth style COVID-19 testing facilities in which medical team safely takes a swab from the patient inside the booth by use of gloves equipped on the booth and communicate with the patient by intercom. The single-person booth to test for novel coronavirus enables medical team to avoid being exposed directly to patients and it reduces time for disinfection. South Korean government restricted religious gatherings, indoor sports activities and visits to nightclubs and other entertainment venues to slow the new coronavirus pandemic that emerged in China late last year. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

Single-person COVID-19 testing booth, Mar 18, 2020 : A member of medical team disinfects a booth of single-person COVID-19 testing facilities outside a hospital in Seoul, South Korea. The H-plus Yangji Hospital set up public telephone booth style COVID-19 testing facilities in which medical team safely takes a swab from the patient inside the booth by use of gloves equipped on the booth and communicate with the patient by intercom. The single-person booth to test for novel coronavirus enables medical team to avoid being exposed directly to patients and it reduces time for disinfection. South Korean government restricted religious gatherings, indoor sports activities and visits to nightclubs and other entertainment venues to slow the new coronavirus pandemic that emerged in China late last year. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

Single-person COVID-19 testing booth, Mar 18, 2020 : Medical team works at a single-person COVID-19 testing facilities outside a hospital in Seoul, South Korea. The H-plus Yangji Hospital set up public telephone booth style COVID-19 testing facilities in which medical team safely takes a swab from the patient inside the booth by use of gloves equipped on the booth and communicate with the patient by intercom. The single-person booth to test for novel coronavirus enables medical team to avoid being exposed directly to patients and it reduces time for disinfection. South Korean government restricted religious gatherings, indoor sports activities and visits to nightclubs and other entertainment venues to slow the new coronavirus pandemic that emerged in China late last year. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

Single-person COVID-19 testing booth, Mar 18, 2020 : A single-person COVID-19 testing facilities outside a hospital in Seoul, South Korea. The H-plus Yangji Hospital set up public telephone booth style COVID-19 testing facilities in which medical team safely takes a swab from the patient inside the booth by use of gloves equipped on the booth and communicate with the patient by intercom. The single-person booth to test for novel coronavirus enables medical team to avoid being exposed directly to patients and it reduces time for disinfection. South Korean government restricted religious gatherings, indoor sports activities and visits to nightclubs and other entertainment venues to slow the new coronavirus pandemic that emerged in China late last year. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

Single-person COVID-19 testing booth, Mar 18, 2020 : A man receives a COVID-19 test swab at a single-person testing booth outside a hospital in Seoul, South Korea. The H-plus Yangji Hospital set up public telephone booth style COVID-19 testing facilities in which medical team safely takes a swab from the patient inside the booth by use of gloves equipped on the booth and communicate with the patient by intercom. The single-person booth to test for novel coronavirus enables medical team to avoid being exposed directly to patients and it reduces time for disinfection. South Korean government restricted religious gatherings, indoor sports activities and visits to nightclubs and other entertainment venues to slow the new coronavirus pandemic that emerged in China late last year. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

Single-person COVID-19 testing booth, Mar 18, 2020 : Medical team works at a single-person COVID-19 testing facilities outside a hospital in Seoul, South Korea. The H-plus Yangji Hospital set up public telephone booth style COVID-19 testing facilities in which medical team safely takes a swab from the patient inside the booth by use of gloves equipped on the booth and communicate with the patient by intercom. The single-person booth to test for novel coronavirus enables medical team to avoid being exposed directly to patients and it reduces time for disinfection. South Korean government restricted religious gatherings, indoor sports activities and visits to nightclubs and other entertainment venues to slow the new coronavirus pandemic that emerged in China late last year. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

Single-person COVID-19 testing booth, Mar 18, 2020 : A doctor talks to a woman in a booth via intercom before the woman receives a COVID-19 test swab at a single-person testing facility outside a hospital in Seoul, South Korea. The H-plus Yangji Hospital set up public telephone booth style COVID-19 testing facilities in which medical team safely takes a swab from the patient inside the booth by use of gloves equipped on the booth and communicate with the patient by intercom. The single-person booth to test for novel coronavirus enables medical team to avoid being exposed directly to patients and it reduces time for disinfection. South Korean government restricted religious gatherings, indoor sports activities and visits to nightclubs and other entertainment venues to slow the new coronavirus pandemic that emerged in China late last year. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

Single-person COVID-19 testing booth, Mar 18, 2020 : A man receives a COVID-19 test swab at a single-person testing booth outside a hospital in Seoul, South Korea. The H-plus Yangji Hospital set up public telephone booth style COVID-19 testing facilities in which medical team safely takes a swab from the patient inside the booth by use of gloves equipped on the booth and communicate with the patient by intercom. The single-person booth to test for novel coronavirus enables medical team to avoid being exposed directly to patients and it reduces time for disinfection. South Korean government restricted religious gatherings, indoor sports activities and visits to nightclubs and other entertainment venues to slow the new coronavirus pandemic that emerged in China late last year. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

Single-person COVID-19 testing booth, Mar 18, 2020 : A single-person COVID-19 testing facilities outside a hospital in Seoul, South Korea. The H-plus Yangji Hospital set up public telephone booth style COVID-19 testing facilities in which medical team safely takes a swab from the patient inside the booth by use of gloves equipped on the booth and communicate with the patient by intercom. The single-person booth to test for novel coronavirus enables medical team to avoid being exposed directly to patients and it reduces time for disinfection. South Korean government restricted religious gatherings, indoor sports activities and visits to nightclubs and other entertainment venues to slow the new coronavirus pandemic that emerged in China late last year. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)