One Health is an integrated, unifying approach that aims to sustainably balance and optimize the health of people, animals and ecosystems. It recognizes the health of humans, domestic and wild animals, plants, and the wider environment (including ecosystems) are closely linked and inter-dependent. (OHHLEP One Health definition, 2021)

The global impact and response to the COVID-19 pandemic, a human health crisis caused by a virus passed from animals, highlights the need for coordinated action across sectors to protect health and prevent disruption to food systems.