 that we know that generally speaking, this will work for a large society of people. But for an individual, I'm not sure it's the best advice. What I mean by that is if you test, if you fulfill those criteria and you test, let's say on day five or day six, the morning of day six before going back to school or back to work, and you're still testing positive with the home test, it's very likely you're still contagious.