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,
Smallpox vaccine his daughter, formed from the needle shaped to form an "O". This represented "Target Zero", the objective of the campaign. Smallpox was eradicated by a massive international search for outbreaks, backed up with a vaccination program, starting in 1967. It was organised and co-ordinated by a World Health Organization (WHO) unit, set up and headed by Donald Henderson. The last case in the Americas occurred in 1971 (Brazil), south-east Asia (Indonesia) in 1972, and on the Indian subcontinent in 1975 (Bangladesh). After two years of intensive searches, what proved to be the last endemic case anywhere in the world occurred