One Health theory of change

To help achieve these aims in a comprehensive, systematic and sustainable way in keeping with the underlying principles of the One Health approach, OHHLEP has developed an over-arching Theory of Change (ToC) in addition to the One Health definition also published by the panel. This ToC is designed to guide OHHLEP’s own work and that of the Quadripartite as well as providing a conceptual framework for other organizations, agencies and initiatives working towards similar One Health goals.