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As testing capacity has continued to increase, more and more asymptomatic or mildly symptomatic individuals have undergone testing, most of whom likely have lower viral loads in their clinical samples, my best advice is to treat yourself as if you are likely infected after suspected exposure. Quarantine, wear a mask to cover both nose and mouth, and practice good hygiene practices. If you want to take extra precautions or you believe you may have been exposed, get tested for the virus using an FDA-authorized test for Covid-19.