As families gather for the holidays, ensuring everyone is COVID-free can be free and easy.
If you were exposed to COVID-19 and did not have symptoms, wait at least five full days after your exposure before testing. If you test too early, you might not get an accurate result. The CDC also recommends testing before meeting someone at high risk for severe COVID-19. How Accurate Are At-Home Tests?
PCR tests are more sensitive and accurate than at-home tests, but results can take at least 24 hours to receive, if not days. At-home tests rarely give false positives but can give false negatives, even if someone is showing symptoms. The false negatives mainly occur during the early days of infection. repeat testing following a negative result whether or not a person has symptoms. At-home tests are a good indicator if a person is infectious.
Studies have shown that people are more likely to be infectious at the start of their illness. For example, an y found that 65% of people with Covid shed the contagious virus five days after their symptoms started, but just 24% were still doing so after a week.
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