A list of requirements for coronavirus protection and procedures?​

For some places;

Mask

6 feet apart (Social Distancing)

10 people or less at a gathering

Explanation:

Technically, "quantum theory" is actually just the theory associated with quantum mechanics, ie; the theory of any objects isolated from their surroundings but, because it is very difficult to isolate large objects from their environments, it essentially becomes a theory of the microscopic world of atoms and sub-atomic particles.