The Greater Mekong Subregion (GMS) Working Group on Environment will present post-COVID-19 environment-friendly and climate-resilient response and recovery efforts in GMS countries on 23 June at 1:30-5:00 p.m. (GMT+7) via Microsoft Teams. Priorities for COVID-19 recovery support by the Asian Development Bank (ADB) in themes such as climate action, biodiversity and wildlife management, and sustainable waste management will be discussed. 

The Greater Mekong Subregion (GMS) Working Group on Agriculture will present post-COVID-19 response and recovery efforts in agriculture on 25 June at 1:30-4:30 p.m. (GMT+7) via Microsoft Teams. Priorities for COVID-19 recovery support by the Asian Development Bank (ADB) in areas such as digital technologies for green agribusiness supply chain management, and livestock health and value chains will be discussed. 

Senior officials of the Greater Mekong Subregion (GMS) met to discuss responses to the coronavirus disease (COVID-19) in the GMS, focusing on regional approaches to promote recovery and resilience. The meeting was held via videoconferencing on 2 June 2020, with participation from all GMS countries and the Asian Development Bank (ADB).  

The Department of Hospital Services, Ministry of Health (MOH) of Cambodia organized a Regional Workshop on Laboratory Quality and Biosafety on 14–15 August 2018 at Angkor Paradise Hotel, Siem Reap, Cambodia.

The 26th Regional Power Trade Coordination Committee Meeting was held to further cooperation and enhance power trade among members of the Greater Mekong Subregion (GMS) on 26-27 November in Ha Noi, Viet Nam. Hosted by Viet Nam's Electricity Regulatory Authority, participants included energy officials from GMS member countries and representatives of ADB and development partners. 

In 2019, the Mekong Institute conducted 112 capacity building activities that benefitted 3,270 participants from the Greater Mekong Subregion (GMS) countries in the areas of agricultural commercialization, trade and investment facilitation, and innovation technology and communication. Furthermore, Mekong Institute alumni held 155 trainings and workshops, expanding knowledge sharing to an additional 9,031 beneficiaries across Cambodia, People’s Republic of China (PRC), Lao People’s Democratic Republic (PDR), Myanmar, Thailand, and Vietnam.

The Third Meeting of the Greater Mekong Subregion (GMS) Working Group on Health Cooperation, jointly organized by the Ministry of Public Health of Thailand and the Asian Development Bank (ADB), was held on 12–13 December in Bangkok, Thailand.

A high-level gathering was organized by ADB on 6 July 2017 at Sofitel Hotel in Bangkok to officially launch the Greater Mekong Subregion (GMS) Health Security Project and endorse the declaration for the GMS health security and future health collaboration among countries in the GMS.

The Asian Development Bank organized the one day Roundtable Discussion on Regional Investment Framework for Migrant Health in the Greater Mekong Subregion on 5 November 2018 in Bangkok. The roundtable discussion focused on defining an operational regional investment framework and available financing solutions to innovatively address migrant health care challenges and support national and regional universal health coverage.

The 44th Greater Mekong Subregion (GMS) Tourism Working Group Meeting, held on 28-29 November 2019 in Siem Reap, Cambodia, was attended by more than 70 senior tourism officials and development partners. Delegations included national tourism organizations of the GMS countries, the Asian Development Bank (ADB), the ASEAN-China Center, the ASEAN-Korea Center, the ASEAN-Japan Center, Luxembourg Development, Pacific Asia Travel Association, and Mekong Institute.