Proposed United Nations “One Health” framework. Proposed United Nations “One Health” framework. FAO, Food and Agriculture Organization; OIE, World Organization for Animal Health; TDR, WHO Special Programme for Research and Training in Tropical Diseases; UNDP, United Nations Development Programme; UNEP, United Nations Environment Programme; UNFPA, United Nations Population Fund; UNICEP, United Nations Children's Fund; WHO, World Health Organization; WMO, World Meteorological Organization. Tim K. Mackey et al. Clin. Microbiol. Rev. 2014; doi:10.1128/CMR.00045-14