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However, if you perform an at-home COVID-19 antigen test, you could get a false negative result. This means that the test may not detect the SARS-CoV-2 virus that is in your nasal swab sample.
The results, published Wednesday in JAMA Network Open, showed that the rapid tests caught 63% of positive cases, meaning they produced quite a few false negatives. The accuracy varied ...
A COVID-19 diagnostic test can have a false-negative result. This means that the test didn't show you have the virus even though you do. You risk spreading the virus to others if you don't take care, such as wearing a face mask, when you're near other people.
COVID-19 tests are extremely reliable when they give a positive result, but a negative result can’t always be trusted. False negatives test results are tests that show a negative result even when the person is infected with the COVID-19 virus, and they are common.
To be confident you do not have COVID-19, FDA recommends 2 negative antigen tests for individuals with symptoms or 3 antigen tests for those without symptoms, performed 48 hours apart. A single NAAT test can be used to confirm an antigen test result.
While antigen tests deliver results in about 15 minutes, before the Omicron variant emerged they were only 58% accurate for people who didn't have symptoms, or 72% accurate for those who did ...
If your rapid test shows that you don’t have the coronavirus but you do have symptoms of COVID-19, it’s possible that you received a false negative. It’s a good idea to confirm your...