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
Establishment of the World Health Organization Establishment of the World Health Organization The Establishment of World Health Organization occurred on 7 April 1948, when its new constitution was ratified by a twenty-sixth nation. Its establishment followed a period of discussions and consultation following World War II and the formation of the United Nations, of which it formed part. An international sanitary conference was held in Venice in 1892, prompted in part by the spread of Asiatic cholera earlier in that century. The first international organization to cover this area was the Pan-American Sanitary Bureau in 1902, followed by the "Office International d'Hygiène Publique" in Paris in