Public Health - As enacted, removes authority from county boards of health in relation to enforcement and adoption of rules and regulations and instead makes the board advisory to the county mayor for such purposes; defines quarantine for purposes of the present law provisions governing quarantine; prohibits state or local governmental official, entity, department, or agency requiring physical documentation or digital storage of protected health information related to an individual's immunization or vaccination against COVID-19 as a condition of entering upon the premises of a state or local government entity, or utilizing services provided by a state or local government entity. - Amends TCA Title 4; Title 5; Title 8; Title 56; Title 63; Title 68 and Title 71.