![]() Talk with your healthcare provider to get more information about the range of options. Several types of treatment are available, which may be used at different times or in different groups of patients. See this important information Treatments are Available Because of this, expired test kits could give inaccurate or invalid test results.ĬOVID-19 test manufacturers perform studies to show how long after manufacturing COVID-19 tests perform as accurately as the day the test was manufactured. The expiration date for an at-home COVID-19 diagnostic test may be extended beyond the date printed on the outer box or package as additional data is collected. This is because COVID-19 tests, and the parts they are made of, may break down over time. Check the expiration dateĪt-home COVID-19 tests have expiration dates. If you receive a positive result initially or after a repeat test, this means the test detected the SARS-CoV-2 virus and you most likely have COVID-19. Positive antigen test results are typically accurate. See detailed guidance about repeat testing. Repeat testing reduces the risk an infection may be missed and to help prevent people from unknowingly spreading the virus. COVID-19 antigen tests may not detect the SARS-CoV-2 virus early in an infection, meaning testing soon after you were exposed to someone with COVID-19 could lead to a false-negative result (this means the test did not detect the virus when a person is infected), especially if you don't have symptoms. Take steps to protect yourself and others.Ī negative COVID-19 test means the test did not detect the virus, but this doesn’t rule out that you could have an infection. Most at-home COVID-19 antigen tests do not detect the SARS-CoV-2 virus as well as molecular tests, like PCR tests. ![]() If both tests are negative, then repeat testing after another 48 hours for a total of three tests.Ĭontinue to take steps to protect yourself and others, including monitoring for symptomsĪ positive COVID-19 test means the virus was detected and you have an infection. Test again 48 hours after your first test.
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