World Health Organization as a means to reduce traffic-related injuries. The WHO has also worked on global initiatives in surgery, including emergency and essential surgical care, trauma care, and safe surgery. The WHO Surgical Safety Checklist is in current use worldwide in the effort to improve patient safety. The World Health Organization's primary objective in natural and man-made emergencies is to coordinate with member states and other stakeholders to "reduce avoidable loss of life and the burden of disease and disability." On 5 May 2014, WHO announced that the spread of polio was a world health emergency – outbreaks of the disease in
World Health Organization organization. Sze and other delegates lobbied and a declaration passed calling for an international conference on health. The use of the word "world", rather than "international", emphasized the truly global nature of what the organization was seeking to achieve. The constitution of the World Health Organization was signed by all 51 countries of the United Nations, and by 10 other countries, on 22 July 1946. It thus became the first specialized agency of the United Nations to which every member subscribed. Its constitution formally came into force on the first World Health Day on 7 April 1948, when it was