Hong Won-sik, chairman of Namyang Dairy Products, wipes his tears during a press conference at the company's headquarters in Seoul, South Korea, Tuesday, May 4, 2021. Hong resigned over a scandal in which his company was accused of deliberately spreading misinformation that its yogurt helps prevent coronavirus infections. (Hwang Gang-mo/Yonhap via AP)

Hong Won-sik, chairman of Namyang Dairy Products, bows in apology during a press conference at the company's headquarters in Seoul, South Korea, Tuesday, May 4, 2021. Hong resigned over a scandal in which his company was accused of deliberately spreading misinformation that its yogurt helps prevent coronavirus infections. (Hwang Gang-mo/Yonhap via AP)

FILE - In this April 1, 2009, file photo, North Korea's Jong Tae Se, left, fights for the ball against South Korea's Lee Young-pyo during their 2010 FIFA World Cup Asia group 2 qualifying soccer match at Seoul World Cup Stadium in Seoul, South Korea. South Korean officials say North Korea has told soccer's Asian governing body it will not participate in World Cup qualifiers next month because of coronavirus concerns. Kim Min-soo, an official from the Seoul-based Korean Football Association, on Tuesday, May 4, 2021, said the Asian Football Confederation has requested North Korea to reconsider its decision. He said the North notified the AFC last week of its intent to drop out of the matches.(AP Photo/ Lee Jin-man, File)

FILE - In this April 1, 2009, file photo, North Korean players, wearing white uniforms, shake hands with South Korean players after their 2010 FIFA World Cup Asia group 2 qualifying soccer match at Seoul World Cup Stadium in Seoul, South Korea. South Korean officials say North Korea has told soccer's Asian governing body it will not participate in World Cup qualifiers next month because of coronavirus concerns. Kim Min-soo, an official from the Seoul-based Korean Football Association, on Tuesday, May 4, 2021, said the Asian Football Confederation has requested North Korea to reconsider its decision. He said the North notified the AFC last week of its intent to drop out of the matches.(AP Photo/ Lee Jin-man, File)

In this photo provided by the Malacanang Presidential Photographers Division, Philippine President Rodrigo Duterte, left, is inoculated with China's Sinopharm COVID-19 vaccine by Health Secretary Fracisco Duque III at the Malacanang presidential palace in Manila, Philippines on Monday May 3, 2021. (King Rodriguez/Malacanang Presidential Photographers Division via AP)

An elderly couple talks to a health worker at a vaccination center inside the Makati Coliseum in Manila, Philippines on Tuesday, May 4, 2021. The Philippines started a simultaneous vaccination of the initial 15,000 doses of Russia's Sputnik V COVID-19 vaccines that arrived in the country earlier this week. (AP Photo/Aaron Favila)

Hong Kong Chief Executive Carrie Lam listens to reporters' questions during a press conference in Hong Kong, Tuesday, May 4, 2021. Lam said on Tuesday that the government has not decided on compulsory vaccination requirement for foreign domestic workers. (AP Photo/Vincent Yu)

An elderly man flashes the thumbs up sign as he is inoculated with Russia's Sputnik V COVID-19 vaccine inside the Makati Coliseum in Manila, Philippines on Tuesday, May 4, 2021. The Philippines started a simultaneous vaccination of the initial 15,000 doses of Russia's Sputnik V COVID-19 vaccines that arrived in the country earlier this week. (AP Photo/Aaron Favila)