Unless the exposure site is identified as a low-risk one where contacts are directed to isolate until they get a negative test, no. You have to do a test when g

Unless the exposure site is identified as a low-risk one where contacts are directed to isolate until they get a negative test, no. You have to do a test when going into iso and you have to get a negative test on day 13 to leave it. There have been plenty of cases where the day 13 test is positive, even when the test at the start was negative.