Abstract
Many public health policies are coercive and therefore, they require moral justification. Kantian political philosophy is an under-explored but appealing approach to public health ethics. According to the Kantian approach, which is centred around freedom as independence, the state has an important role in protecting that freedom. In doing so, the state is justified to use coercion. To illustrate the Kantian approach, we consider its implications in the context of coercive vaccination policy. We show coercive vaccination policies are justified, because the state is needed to provide determinacy, because such policies are needed to guarantee the systematic enjoyment of the right to freedom, and because such policies reduce the risk for dependence on others.