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
2013–2014 Zika virus outbreaks in Oceania imported. During the same time period, there were also outbreaks of chikungunya fever and dengue fever. In February 2014, an outbreak of Zika was reported in the Cook Islands, to the southwest of French Polynesia. In March, an Australian woman was diagnosed with a Zika virus infection by Queensland Health following a recent trip to the Cook Islands, becoming the second reported case of Zika diagnosed in Australia. Nearly 40 other cases of Zika virus infection were imported into New Zealand. By 29 May, the outbreak had ended, with 50 confirmed and 932 suspected cases of Zika virus infection. By