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The Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) pandemic once more demonstrated the close connection between humans, animals, and the shared environment. Although still under investigation, the closest relatives of this virus exist in animals, and the factors leading to spillover remain to be fully understood. This interconnectedness again highlighted the need for a One Health approach. Although the One Health concept is not new and has been at the forefront of interdisciplinary and multisectoral discussions for years, there is now an increased interest for this approach to be applied and translated into action. Following a proposal made by the French and German Ministers for Foreign Affairs at the November 2020 Paris Peace Forum, 4 global partners, the Food and Agriculture Organization (FAO), the World Organization for Animal Health (OIE), the United Nations Environment Programme (UNEP), and the World Health Organization (WHO), in May 2021 established the interdisciplinary One Health High-Level Expert Panel (OHHLEP)(https://www. who. int/groups/one-health-high-level-expert-panel) to enhance their cross-sectoral collaboration. The creation of OHHLEP represents a recognition at the highest level of the urgency and complexities surrounding One Health and the intent to take this concept forward into policies and concrete actions.

The concept of One Health has been associated with different interpretations in scope and practice. There is no shortage of “One Health” definitions in the published literature and among institutions and organizations. Therefore, an immediate priority for OHHLEP was to develop …