Public Health Emergency of International Concern second PHEIC was issued in May 2014 with the resurgence of polio after its near-eradication, deemed "an extraordinary event." On Friday, August 8, 2014, the World Health Organization declared its third Public Health Emergency of International Concern in response to the outbreak of Ebola in Western Africa. On Monday, February 1, 2016, the World Health Organization declared its fourth PHEIC in response to clusters of microcephaly and Guillain–Barré syndrome in the Americas, which at the time were suspected to be associated with the ongoing outbreak of Zika virus. Later research and evidence bore out these concerns; in April, the WHO
Mekong Basin Disease Surveillance 110 workers were trained in either field epidemiology and disease surveillance, analytical techniques or social, political and economic aspects of border health. An unprecedented joint avian influenza investigation was triggered when an infected Lao citizen was found in Thailand. Since then, Vietnam and Lao PDR also carried out joint investigations for outbreaks of typhoid and malaria. MBDS partners with Rockefeller Foundation (RF), Nuclear Threat Initiative (NTI), Google, RAND, World Health Organization (WHO), United Nations System Influenza Coordination (UNSIC), US Agency for International Development (USAID)/Kenan Institute, Asian Development Bank (ADB), Association of Southeast Asian Nations (ASEAN), Google.org, InSTEDD, ChangeFusion, Opendream. Mekong