Health in Mongolia Health in Mongolia Since 1990, key health indicators in Mongolia like life expectancy and infant and child mortality have steadily improved, both due to social changes and to improvement in the health sector. Yet, adult health deteriorated during the 1990s and the first decade of the 21st century and mortality rates increased significantly. Smallpox, typhus, plague, poliomyelitis, and diphtheria were eradicated by 1981. The Mongolian Red Cross Society focusses on preventative work. The Confederation of Mongolian Trade Unions established a network of sanatoriums. Serious problems remain, especially in the countryside. According to a 2011 study by the World Health Organization,
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