China's Foreign Minister Wang Yi (C), Secretary of Foreign Affairs of the Philippines Teodoro Lopez (L) and Laos Foreign Minister Saleumxay Kommasith attend a press conference after a meeting of foreign ministers of the Association of South East Asian Nations (ASEAN) an China about the coronavirus outbreak, in Vientiane, Laos February 20, 2020. REUTERS/Phoonsab Thevongsa

China's Foreign Minister Wang Yi (C), Secretary of Foreign Affairs of the Philippines Teodoro Lopez (L) and Laos Foreign Minister Saleumxay Kommasith attend a press conference after a meeting of the Association of South East Asian Nations (ASEAN) and China about the coronavirus outbreak, in Vientiane, Laos February 20, 2020. REUTERS/Phoonsab Thevongsa

China's Foreign Minister Wang Yi speaks during a news conference after a meeting of foreign ministers of the Association of South East Asian Nations (ASEAN) and China about the coronavirus outbreak, in Vientiane, Laos February 20, 2020. REUTERS/Phoonsab Thevongsa

China's Foreign Minister Wang Yi speaks during a news conference after a meeting of foreign ministers of the Association of South East Asian Nations (ASEAN) and China about the coronavirus outbreak, in Vientiane, Laos February 20, 2020. REUTERS/Phoonsab Thevongsa

China's Foreign Minister Wang Yi (R) and Secretary of Foreign Affairs of the Philippines Teodoro Lopez (L) attend a press conference after a meeting of foreign ministers of the Association of South East Asian Nations (ASEAN) and China about the coronavirus outbreak, in Vientiane, Laos February 20, 2020. REUTERS/Phoonsab Thevongsa

China's Foreign Minister Wang Yi (C) speaks to Secretary of Foreign Affairs of the Philippines Teodoro Lopez (L) and Laos Foreign Minister Saleumxay Kommasith during a press conference after a meeting of foreign ministers of the Association of South East Asian Nations (ASEAN) and China about the coronavirus outbreak, in Vientiane, Laos February 20, 2020. REUTERS/Phoonsab Thevongsa

A Laos foreign minister worker places alcohol gel tubes on a table before the meeting with Association of South East Asian Nations (ASEAN) foreign ministers and China on the coronavirus outbreak in Vientiane, Laos February 20, 2020. REUTERS/Phoonsab Thevongsa

China's Foreign Minister Wang Yi arrives to a meeting with foreign ministers of the Association of South East Asian Nations (ASEAN) on the coronavirus outbreak in Vientiane, Laos February 20, 2020. REUTERS/Phoonsab Thevongsa

Thailand's Foreign Minister Don Pramudwinai attends the foreign ministers of the Association of South East Asian Nations (ASEAN) emergency meeting on the coronavirus outbreak with China in Vientiane, Laos February 20, 2020. REUTERS/Phoonsab Thevongsa

China's Foreign Minister Wang Yi speaks to foreign ministers of the Association of South East Asian Nations (ASEAN) during an emergency meeting on the coronavirus outbreak in Vientiane, Laos February 20, 2020. REUTERS/Phoonsab Thevongsa

Secretary of Foreign Affairs of the Philippines Teodoro Lopez attends the Association of South East Asian Nations (ASEAN) emergency meeting with China on the coronavirus outbreak in Vientiane, Laos February 20, 2020. REUTERS/Phoonsab Thevongsa

China's Foreign Minister Wang Yi speaks to foreign ministers of the Association of South East Asian Nations (ASEAN) during an emergency meeting on the coronavirus outbreak in Vientiane, Laos February 20, 2020. REUTERS/Phoonsab Thevongsa

Association of South East Asian Nations (ASEAN) foreign ministers pose during an emergency meeting with China's Foreign Minister Wang Yi on the coronavirus outbreak in Vientiane, Laos February 20, 2020. REUTERS/Phoonsab Thevongsa

Association of South East Asian Nations (ASEAN) foreign ministers pose during an emergency meeting with China's Foreign Minister Wang Yi on the coronavirus outbreak in Vientiane, Laos February 20, 2020. REUTERS/Phoonsab Thevongsa

Association of South East Asian Nations (ASEAN) foreign ministers pose during an emergency meeting with China's Foreign Minister Wang Yi on the coronavirus outbreak in Vientiane, Laos February 20, 2020. REUTERS/Phoonsab Thevongsa

Secretary of Foreign Affairs of the Philippines Teodoro Lopez attends the Association of South East Asian Nations (ASEAN) emergency meeting with China on the coronavirus outbreak in Vientiane, Laos February 20, 2020. REUTERS/Phoonsab Thevongsa

China's Foreign Minister Wang Yi speaks to foreign ministers of the Association of South East Asian Nations (ASEAN) during an emergency meeting on the coronavirus outbreak in Vientiane, Laos February 20, 2020. REUTERS/Phoonsab Thevongsa

Singapore's Foreign Minister Vivian Balakrishnan attends a session during the Association of South East Asian Nations (ASEAN) and China emergency meeting on the coronavirus in Vientiane, Laos February 20, 2020. REUTERS/Phoonsab Thevongsa

Foreign Ministers of the Association of South East Asian Nations ASEAN attends a session before their emergency meeting with China on the coronavirus in Vientiane, Laos February 20, 2020. REUTERS/Phoonsab Thevongsa

Laos' Foreign Minister Saleumxay Kommasith attends a session during the Association of South East Asian Nations (ASEAN) and China emergency meeting on the coronavirus in Vientiane, Laos February 20, 2020. REUTERS/Phoonsab Thevongsa

China's Foreign Minister Wang Yi (L) is welcome by Laos' President Bounnhang Vorachith before the Association of South East Asian Nations (ASEAN) and China emergency meeting on the coronavirus in Vientiane, Laos February 20, 2020. REUTERS/Phoonsab Thevongsa

China's Foreign Minister Wang Yi is welcome by Laos' President Bounnhang Vorachith before the Association of South East Asian Nations (ASEAN) and China emergency meeting on the coronavirus in Vientiane, Laos February 20, 2020. REUTERS/Phoonsab Thevongsa

China's Foreign Minister Wang Yi (R) is welcome by Laos President Bounnhang Vorachith before the Association of South East Asian Nations (ASEAN) and China emergency meeting on the coronavirus in Vientiane, Laos February 20, 2020. REUTERS/Phoonsab Thevongsa

Delegates wearing protective mask attend the Foreign Ministers of the Association of South East Asian Nations (ASEAN) and China emergency meeting on the coronavirus in Vientiane, Laos February 20, 2020. REUTERS/Phoonsab Thevongsa

Abhishek Rijal of Nepal fights for the ball with a player of the Maldives during the South Asian Games in Kathmandu, Nepal December 7, 2019. REUTERS/Navesh Chitrakar

Abhishek Rijal of Nepal fights for the ball with a player of the Maldives during the South Asian Games in Kathmandu, Nepal December 7, 2019. REUTERS/Navesh Chitrakar

A Nepalese player tries to control the ball during their match against Maldives during the South Asian Games in Kathmandu, Nepal December 7, 2019. REUTERS/Navesh Chitrakar

Abhishek Rijal of Nepal celebrates with teammates after scoring a goal against Maldives during the South Asian Games in Kathmandu, Nepal December 7, 2019. REUTERS/Navesh Chitrakar

Players fight for the ball during the match between Nepal and Maldives during the South Asian Games in Kathmandu, Nepal December 7, 2019. REUTERS/Navesh Chitrakar

Nepalese players celebrate after scoring a goal against Maldives during the South Asian Games in Kathmandu, Nepal December 7, 2019. REUTERS/Navesh Chitrakar

A Bangladeshi player (L) attempts to block a shot against a Nepali player, at the opening match of a women volleyball tournament during the South Asian Games in Kathmandu, Nepal November 27, 2019. REUTERS/Navesh Chitrakar

A Nepali player (R) attempts to block the shot against Bangladeshi player at the opening match of women volleyball tournament, during the South Asian Games in Kathmandu, Nepal November 27, 2019. REUTERS/Navesh Chitrakar

Nepali players attempt to block the shot against a Bangladeshi player, at the opening match of women volleyball tournament, during the South Asian Games in Kathmandu, Nepal November 27, 2019. REUTERS/Navesh Chitrakar

A worker runs past the track at the Dasarath Rangasala Stadium damaged during the 2015 Nepal earthquakes, for the upcoming South Asian games in Kathmandu, Nepal November 21, 2019. REUTERS/Navesh Chitrakar

A worker waters the football pitch at the Dasarath Rangasala Stadium damaged during the 2015 Nepal earthquakes, for the upcoming South Asian games in Kathmandu, Nepal November 21, 2019. REUTERS/Navesh Chitrakar

A worker carries plastic chairs to install them on the Dasarath Rangasala Stadium damaged during the 2015 Nepal earthquakes, for the upcoming South Asian games in Kathmandu, Nepal November 21, 2019. REUTERS/Navesh Chitrakar

A worker walks along the newly installed chairs at the Dasarath Rangasala Stadium damaged during the 2015 Nepal earthquakes, for the upcoming South Asian games in Kathmandu, Nepal November 21, 2019. REUTERS/Navesh Chitrakar

David Stilwell, U.S. Assistant Secretary for East Asian and Pacific Affairs, answers reporters' questions after a meeting with his South Korean counterpart Cho Sei-young at the Foreign Ministry in Seoul, South Korea, November 6, 2019. REUTERS/Heo Ran

David Stilwell, U.S. Assistant Secretary for East Asian and Pacific Affairs, answers reporters' questions after a meeting with his South Korean counterpart Cho Sei-young at the Foreign Ministry in Seoul, South Korea, November 6, 2019. REUTERS/Heo Ran

David Stilwell, U.S. Assistant Secretary for East Asian and Pacific Affairs, answers reporters' questions after a meeting with his South Korean counterpart Cho Sei-young at the Foreign Ministry in Seoul, South Korea, November 6, 2019. REUTERS/Heo Ran

David Stilwell, U.S. Assistant Secretary for East Asian and Pacific Affairs, answers reporters' questions after a meeting with his South Korean counterpart Cho Sei-young at the Foreign Ministry in Seoul, South Korea, November 6, 2019. REUTERS/Heo Ran

US Ambassador to Seoul Harry Harris, Keith Krach, under secretary for economic growth, energy and environment, David Stilwell, U.S. Assistant Secretary for East Asian and Pacific Affairs, and South Korea's Foreign Minister Kang Kyung-wha pose for photographs during their meeting at the Foreign Ministry in Seoul, South Korea, November 6, 2019. REUTERS/Heo Ran/Pool

David Stilwell, U.S. Assistant Secretary for East Asian and Pacific Affairs, shakes hands with his South Korean counterpart Cho Sei-young during their meeting at the Foreign Ministry in Seoul, South Korea, November 6, 2019. REUTERS/Heo Ran/Pool

David Stilwell, U.S. Assistant Secretary for East Asian and Pacific Affairs, shakes hands with his South Korean counterpart Cho Sei-young during their meeting at the Foreign Ministry in Seoul, South Korea, November 6, 2019. REUTERS/Heo Ran/Pool

Acting U.S. Defense Secretary Patrick Shanahan (L) and Japanese Defense Minister Takeshi Iwaya shake hands prior to their meeting at the Ministry of Defense in Tokyo, Japan, June 4, 2019. Shanahan is in Japan on an Asian tour after visiting Indonesia, Singapore and South Korea. Franck Robichon/Pool via REUTERS

Asian Athletics Championships - Khalifa International Stadium, Doha, Qatar - April 23, 2019 South Korea's Lim Eun-ji in action during the women's pole vault REUTERS/Ibraheem Al Omari

Asian Athletics Championships - Khalifa International Stadium, Doha, Qatar - April 23, 2019 South Korea's Lim Eun-ji in action during the women's pole vault REUTERS/Ibraheem Al Omari

Soccer Football - AFC Asian Cup - South Korea v China - Group C - Al Nahyan Stadium, Abu Dhabi, United Arab Emirates - January 16, 2019 China's Wu Xi REUTERS/Suhaib Salem

Soccer Football - AFC Asian Cup - South Korea v China - Group C - Al Nahyan Stadium, Abu Dhabi, United Arab Emirates - January 16, 2019 China's Zhang Linpeng REUTERS/Suhaib Salem

Soccer Football - AFC Asian Cup - South Korea v China - Group C - Al Nahyan Stadium, Abu Dhabi, United Arab Emirates - January 16, 2019 China's Yu Dabao REUTERS/Suhaib Salem

Soccer Football - AFC Asian Cup - South Korea v China - Group C - Al Nahyan Stadium, Abu Dhabi, United Arab Emirates - January 16, 2019 China's Zhang Chengdong REUTERS/Suhaib Salem

Soccer Football - AFC Asian Cup - South Korea v China - Group C - Al Nahyan Stadium, Abu Dhabi, United Arab Emirates - January 16, 2019 China's Liu Yang REUTERS/Suhaib Salem

Soccer Football - AFC Asian Cup - South Korea v China - Group C - Al Nahyan Stadium, Abu Dhabi, United Arab Emirates - January 16, 2019 China's Zhang Chengdong REUTERS/Suhaib Salem

Soccer Football - AFC Asian Cup - South Korea v China - Group C - Al Nahyan Stadium, Abu Dhabi, United Arab Emirates - January 16, 2019 China's Jin Jingdao REUTERS/Suhaib Salem

Soccer Football - AFC Asian Cup - South Korea v China - Group C - Al Nahyan Stadium, Abu Dhabi, United Arab Emirates - January 16, 2019 China's Yan Junling REUTERS/Suhaib Salem

Soccer Football - AFC Asian Cup - South Korea v China - Group C - Al Nahyan Stadium, Abu Dhabi, United Arab Emirates - January 16, 2019 China's Zhao Xuri REUTERS/Suhaib Salem

Soccer Football - AFC Asian Cup - South Korea v China - Group C - Al Nahyan Stadium, Abu Dhabi, United Arab Emirates - January 16, 2019 China's Yiming Liu REUTERS/Suhaib Salem