A woman wearing a face mask walks outside of Heungnyemun gate of the 14th-century Gyeongbok Palace, and one of South Korea's well-known landmarks, in Seoul, South Korea, Friday, June 19, 2020. (Photo by Lee Jin-man/AP Photo)





A worker wearing a face mask to help protect against the spread of the new coronavirus shouts slogans during a rally against the government's labor policy in Seoul, South Korea, Wednesday, June 10, 2020. (Photo by Ahn Young-joon/AP Photo)





Quarantine officials disinfect as a precaution against the new coronavirus at a park in Gunpo, South Korea, Monday, June 1, 2020. (Photo by Hong Ki-won/Yonhap via AP Photo)





Women take a selfie at a park in Seoul, South Korea, Thursday, June 11, 2020. Just weeks ago South Korea was celebrating its hard-won gains against the coronavirus. It was easing social distancing measures, reopening schools and promoting its tech-driven methods of fighting the spread of the virus. But the country’s success story is being threatened by a resurgence of infections in the area around Seoul where half of South Korea’s 51 million people live. (Photo by Ahn Young-joon/AP Photo)





People walk through an underground shopping mall in Seoul, South Korea, Thursday, June 11, 2020. (Photo by Ahn Young-joon/AP Photo)





People enjoy a water slide in Yongin, South Korea, as measures to avoid the spread of the coronavirus disease (COVID-19) continue, June 5, 2020. (Photo by Kim Hong-Ji/Reuters)





Traffic police officers wearing face masks to help protect against the spread of the new coronavirus take a rest while workers stage a rally against the government's labor policy in Seoul, South Korea, Wednesday, June 10, 2020. (Photo by Ahn Young-joon/AP Photo)





An ice carving robot for minimizing human contact to avoid the spread of the coronavirus disease is seen during its demonstration at a bar in Seoul, South Korea, June 3, 2020. (Photo by Kim Hong-Ji/Reuters)





Journalists take video footage from the unification observation post in Paju, South Korea, near the border with North Korea, Wednesday, June 17, 2020. North Korea said Wednesday it will redeploy troops to now-shuttered inter-Korean cooperation sites, reinstall guard posts and resume military exercises at front-line areas, nullifying the tension-reducing deals reached with South Korea just two years ago. (Photo by Ahn Young-joon/AP Photo)





A man wearing mask crosses a stream at Cheonggye stream in downtown Seoul, South Korea, Tuesday, June 2, 2020. (Photo by Lee Jin-man/AP Photo)





As a precaution against the new coronavirus, health officials disinfect at a venue for a written test to screen public servants in Suwon, South Korea, Friday, June 12, 2020. (Photo byu Hong Ki-won/Yonhap via AP Photo)





A student wearing a face mask to help protect against the spread of the new coronavirus stands to have his body temperatures checked before entering his classroom at a middle school in Jeonju, South Korea, Wednesday, Jun 3, 2020. (Photo by Na Bo-bae/Yonhap via AP Photo)





A woman wearing a face mask to help protect against the spread of the new coronavirus passes by a banner about precautions against the virus at a park in Goyang, South Korea, Tuesday, June 2, 2020. Areas around the South Korean capital moved to curb large gatherings Tuesday and officials urged churchgoers and some health care workers to avoid crowds as the number of new coronavirus once again increased. (Photo by Ahn Young-joon/AP Photo)





Shoppers walk through a market in Seoul on June 10, 2020. On June 3 the South Korean government proposed its biggest stimulus package yet as it seeks to prop up an economy dragged down by the coronavirus pandemic. (Photo by Ed Jones/AFP Photo)





Members of the South Korean military band wearing face masks to help protect against the spread of the new coronavirus cross a road during an event to commemorate the upcoming 70th anniversary of the Korean War, in Seoul, South Korea, Monday, June 15, 2020. (Photo by Ahn Young-joon/AP Photo)





Students wearing face masks to help protect against the spread of the new coronavirus stand in a line to have their body temperatures checked before entering their classrooms at a middle school in Chungju, South Korea, Monday, June 8, 2020. (Photo by In Jin-hyun/Newsis via AP Photo)





Police officers wearing face masks to help protect against the spread of the new coronavirus stand guard during a rally near the Chinese embassy in Seoul, South Korea, Thursday, June 4, 2020. (Photo by Ahn Young-joon/AP Photo)





A visitor carrying a South Korean flag uses binoculars to view the northern side at the Imjingak Pavilion in Paju, South Korea, Tuesday, June 9, 2020. North Korea said Tuesday it will cut off all communication channels with South Korea as it escalates its pressure on the South for failing to stop activists from floating anti-Pyongyang leaflets across their tense border. (Photo by Lee Jin-man/AP Photo)





A buddhist monk wears mask as a preventive measure against the coronavirus (COVID-19), as he attends a ceremony of Buddha's birthday at Jogyesa Temple on May 30, 2020 in Seoul, South Korea. South Korea's daily number of new coronavirus cases dropped below 40 Saturday, amid a stepped-up push to contain cluster infections traced to a distribution center just west of Seoul and fend off a potential virus resurgence. The country logged 39 additional COVID-19 cases, bringing the total caseload to 11,441, according to the Korea Centers for Disease Control and Prevention (KCDC). (Photo by Chung Sung-Jun/Getty Images)





Coronavirus infection (COVID-19) is still continuing in the country, a guard of Gyeongbokgung Palace wears a protective mask with a goblin pattern at the entrance of the palace, which is currently not being opened to the public due to Covid-19 in Seoul, South Korea on June 18, 2020. (Photo by Chris Jung/NurPhoto via Getty Images)