On the topic of vaccination: what should be the role of health policy at the state level?

Vaccination Policies vary from state to state. In some states it is mandatory others optional but at the core of the issue is public safety for all citizens. With the outbreak of covid 19, the issue of vaccination has become highlighted.  Write a short essay to address the Questions below: On the topic of vaccination: what should be the role of health policy at the state level? What should be the role of health policy at the institutional (or provider) level?