One Health is being embedded into the WHO's International Health Regulations (IHRs) and Pandemic Treaty/Accord.
First, what is One Health? It is essentially a meaningless concept that is important to the WHO, CDC and the new pandemic regulations being negotiated, as I heard it mentioned several times by country representatives discussing the new IHR amendments. My best guess is that One Health will be invoked as the justification to move people off the land in certain rural communities. The authors of a June 2019 article titled “The One Health Approach—Why Is It So Important?” provide 3 definitions and a graphic to try and explain the term:
The most commonly used definition shared by the US Centers for Disease Control and Prevention and the One Health Commission is: ‘One Health is defined as a collaborative, multisectoral, and transdisciplinary approach—working at the 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’. A definition suggested by the One Health Global Network is: ‘One Health recognizes that the health of humans, animals and ecosystems are interconnected. It involves applying a coordinated, collaborative, multidisciplinary and cross-sectoral approach to address potential or existing risks that originate at the animal-human-ecosystems interface’. A much simpler version of these two definitions is provided by the One Health Institute of the University of California at Davis: ‘One Health is an approach to ensure the well-being of people, animals and the environment through collaborative problem solving—locally, nationally, and globally’. Others have a much broader view, as encapsulated in Figure 1.