There can be individual or community based care plan
Care plan is a big subject and it has many variations. Care plan can be for a single person, it can be for a family and it can be for whole community. All of such plans are different in nature and different instructions are included in such plans.
These care plans usually have a course of action that should be followed for preventing diseases and for keeping people healthy. Similarly there are many government agencies present at many places implementing care plans.