In addition to COVID-19 test results, and when determining the likelihood of having the virus, consider: Use the following guidance to help interpret your negative test result and determine what steps to take next. Always do a repeat test at minimum after 48 hours following a negative test result when using an antigen test. A negative result using at-home COVID-19 antigen test means the test did not detect the virus that causes COVID-19, but it does not rule out COVID-19 because some tests may not detect the virus early in an infection.Anyone who tests positive for COVID-19, or who likely has COVID-19, should contact their health care provider and follow the CDC's guidelines for staying at home and away from people. A positive result using an at-home COVID-19 antigen test means you likely have COVID-19.While not perfect, they provide a fast and convenient COVID-19 testing option to detect the virus, so you may know if you are infected and should stay at home and away from people to help reduce the spread of the virus. Most FDA-authorized at-home OTC COVID-19 tests are antigen tests. What Your At-Home OTC COVID-19 Test Result Means Consider testing before coming into contact with someone who has a high risk for severe COVID-19 people who are older adults or immunocompromised, or have other medical conditions, especially if you are in an area with a medium or high COVID-19 Community Level.If you are in certain high-risk settings, you may need to test as part of a screening testing program.If you test too early, you may have an inaccurate result. If you were exposed to someone who has COVID-19 and you do not have symptoms, wait at least 5 full days after your exposure before testing.If you have symptoms, test immediately and then test again per the instructions if your first result is negative.
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