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  1. Jun 5, 2023 · For people without symptoms, there’s a higher chance of getting a false negative result compared to people with symptoms. On the other hand, rapid tests give a false positive less than 1...

    • Daniel Yetman
  2. Oct 28, 2022 · A positive result on an at-home COVID-19 test is usually accurate, but false negatives can occur when a person has no COVID-19 symptoms or their infection happened recently. A 2021 study found...

  3. Nov 29, 2023 · Key Takeaways. A false-positive result means the test says you have an illness when you really dont. You can get a false positive on a rapid COVID-19 test, but it’s not common. Experts say certain factors raise your risk of getting a false-positive COVID-19 test.

  4. Mar 1, 2024 · Researchers identified a false positive when a participant got a positive result on a rapid antigen test but had a negative RT-PCR test that was taken within 48 hours. Of the 191 participants who got false-positive results, only 13 of them had persistent false-positive results.

  5. Feb 21, 2024 · Among more than 11,000 participants, 1.7% had at least one false positive rapid antigen test on the basis of RT-PCR results. Persistent false positives tended to occur in women and in persons...

  6. Jan 6, 2021 · If both retests were negative, we considered the first test to be a false positive. Of the 239 positive tests found after the pre-employment tests were removed, 54 (22.6%) were deemed to be false positives, giving a positive predictive value of 77.4%.

  7. The false positive rate on rapid antigen testing is rare. One study from 2022 estimated that 0.05% of positive tests were false positives.

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