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
Emergency management level, utilizing the National Incident Management System (NIMS). The Centers for Disease Control and Prevention offer information for specific types of emergencies, such as disease outbreaks, natural disasters and severe weather, chemical and radiation accidents, etc. The Emergency Preparedness and Response Program of the National Institute for Occupational Safety and Health develops resources to address responder safety and health during responder and recovery operations. The Emergency Management Institute (EMI) serves as the national focal point for the development and delivery of emergency management training to enhance the capabilities of state, territorial, local, and tribal government officials; volunteer organizations; FEMA's disaster