Please address if any of this, especially AOE/COE, is different with public safety employees, i.e. police and fire employees. Are they at a greater risk than the general public because the general public is “Shelter in place” and they are not?

The public safety employees are at greater risk just by the nature of their professions, even without a “Stay at home” or “shelter in place” order. Still, one must examine their job title, job duties, and the timeline around when the infection occurred when evaluating these claims.