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One Health

One Health is an approach calling for "the collaborative efforts of multiple disciplines working locally, nationally, and globally, to attain optimal health for people, animals and our environment", as defined by the One Health Initiative Task Force (OHITF). It developed in response to evidence of the spreading of zoonotic diseases between species and increasing awareness of "the interdependence of human and animal health and ecological change". In this viewpoint, public health is no longer seen in purely human terms. Due to a shared environment and highly conserved physiology, animals and humans not only suffer from the same zoonotic diseases but can also be treated by either structurally related or identical drugs. For this reason, special care must be taken to avoid unnecessary or over-treatment of zoonotic diseases, particularly in the context of drug resistance in infectious microbes. The One Health concept is prevalent in scientific research and highlights the close interconnection among human, animal, and environmental health, which should be examined collectively to address global health challenges effectively.