If you develop symptoms you stay at home. If you develop breathing difficulties you seek medical assessment - follow local protocols.
What should you do if you develop the symptoms? They're so generic, and the hospitals are being overwhelmed, plus it IS allergy season. Advice online seems to suggest you should only seek treatment if you have a pre-existing condition, or one of the more serious signs like shortness of breath. However, my whole city went under a 2-week quarantine starting a week ago after a woman had a coughing fit in a store in a neighboring county, and she did test positive! I don't know any other details of the case though. Right now I'm worried if someone even so much as clears their throat near me. I haven't gone out since the quarantine stated, but my mother (who I live with) has been going to work (she's only one of like 4 or 6 people who are, and she has to go to work because she can't take all her paperwork home with her, its just too much), and she claims the idiot locals are completely disregarding the quarantine even though we HAVE had at least four confirmed cases in this city alone! This has made me really paranoid. The local community isn't exactly known for being healthy, and the whole city seems to be overrun with Trump supporters too which doesn't bode well with him denying its a problem.