If you’re going to be indoors for a few days with people you really don’t want to infect, take a RAT every day or two for a week—or a PCR day-of hangout start—*while also sharply reducing your exposure* for at least a week. Then hang out.

If you take a test every day while also continuing to be out indoors with people taking no precautions, your new-exposure clock resets to zero every day, making your test results much less meaningful, bc again RATs don’t pop on day 1, or often even day 5.

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