Defining global health as public health somewhere else

### Summary box There are many definitions of global health,1–3 but none capture what is truly distinctive about the field. In particular, beyond tautologically emphasising the ‘global’ nature of its efforts, none properly distinguish ‘global health’ from ‘public health’.4 5 We propose the following definition: global health is public health somewhere else . Conventional definitions of global health tend to focus on its methods, which are...