Table 1.

One Health approach definitions.

Definition	Author and Year
One Health is the collaborative effort of multiple disciplines-working locally, nationally, and globally – to attain optimal health for people, animals, and our environment [13].	American Veterinary Medical Association. One Health Initiative Task Force Final Report. July 15,2008.
One Health is a holistic vision to address complex challenges that threaten human and animal health, food security, poverty and the environments where diseases flourish [14].	Food and Agriculture Organization of United Nation, Strategic Action plan, 2011.
One Health is the collaborative effort of multiple health science professions (veterinarians, physicians, public health officials, epidemiologists, ecologists, toxicologists and others+), along with their related disciplines and institutions – working locally, nationally, and globally – to attain optimal health for people, domestic farm and food animals, wildlife, plants and our environment [18].	United State Department of Agriculture, Factsheet 2016.
One Health is an integrated, unifying approach to balance and optimize the health of people, animals and the environment [16 a]. One Health is an approach to designing and implementing programmes, policies, legislation and research in which multiple sectors communicate and work together to achieve better public health outcomes [16 b].	World Health Organization, last accessed November 22,022 World Health Organization Europe, last accessed November 2,2022
One Health is a collaborative effort of multiple health science professions, together with their related discipline and institutions-working locally, nationally and globally-to attain optimal health for people, domestic animals, wildlife, plants and our environment [15].	One Health Commissions, previous definition, last accessed November 2, 2022.
One Health is a collaborative, multisectoral, and trans-disciplinary approach - working at local, regional, national, and global levels – with the goal of achieving optimal health outcomes recognizing the interconnection between people, animals, plants, and their shared environment [17].	US Centers for Disease Control and Prevention, last accessed November 2, 2022.
An integrated, unifying approach that aims to sustainably balance and optimize the health of people, animals, and ecosystems. It recognizes that health of humans, domestic and wild animals, plants, and the wider environment (including ecosystems) are closely linked and inter-dependent. The approach mobilizes multiple sectors, disciplines and communities at varying levels of society to work together to foster well-being and tackle threats to health and ecosystems, while addressing the collective need for clean water, energy and air, safe and nutritious food, taking on climate change and contributing to sustainable development.”	One Health High Level Expert Panel, last accessed November 2022.