If someone tests positive, the protocol is to isolate for 5 days and wear a mask at all times except when eating/sleeping, test every other day. After 5 days if your symptom free, you can leave isolation, but your supposed to wear a mask when ever you leave home. In the meantime you're testing every other day. If symptom free after a total of 10 days...you're free. However if you have symptoms during the 10 days, the clock starts over. YMMV per your local rules.
The free test kits from the feds ends today.