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
Public Health Emergency of International Concern stated that "there is scientific consensus that Zika virus is a cause of microcephaly and Guillain–Barré syndrome." This declaration was lifted on November 18, 2016. PHEIC can also make the news when it is "not" invoked, as has been the case to date with MERS. Public Health Emergency of International Concern A Public Health Emergency of International Concern (PHEIC) is a formal declaration by the World Health Organization (WHO). The declaration is promulgated by that body's Emergency Committee operating under International Health Regulations (IHR). First introduced in 2005, to date there have been four PHEIC declarations. This statement designates a