Global health According to the World Health Organization's 2005 World Health Report, poor maternal conditions are the fourth leading cause of death for women worldwide, after HIV/AIDS, malaria, and tuberculosis. Most maternal deaths and injuries can be prevented, and such deaths have been largely eradicated in the developed world. Targets for improving maternal health include increasing the number of deliveries accompanied by skilled birth attendants. 68 low-income countries tracked by the WHO- and UNICEF-led collaboration "Countdown to 2015" are estimated to hold for 97% of worldwide maternal and child deaths. The HIV/AIDS epidemic has highlighted the global nature of human health and
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