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  2. www.medicalnewstoday.com › articles › false-positiveFalse positive rapid COVID-19 test: Causes and accuracy

    28 de oct. de 2022 · A false positive result is possible with a rapid COVID-19 test. It happens when a person does not have COVID-19 but still tests positive for the disease. People can use a rapid COVID-19 test...

  3. www.nejm.org › doi › fullPersistent False Positive Covid-19 Rapid Antigen Tests

    21 de feb. de 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...

  4. www.verywellhealth.com › what-causes-a-falseWhat Causes a False-Positive Rapid COVID Test? - Verywell Health

    29 de nov. de 2023 · Key Takeaways. A false-positive result means the test says you have an illness when you really don’t. 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.

  5. www.nejm.org › doi › fullFalse Positive Covid-19 Rapid Antigen Tests | New England ...

    15 de may. de 2024 · In our letter, we describe persistent false positive SARS-CoV-2 rapid antigen tests and suggest rheumatoid factor as a potential mechanism.

  6. www.ncbi.nlm.nih.gov › pmc › articlesFalse-positive and false-negative COVID-19 cases: respiratory ...

    25 de abr. de 2021 · Principally, false-positive tests refer to a wrong indication for a particular infection to be present, while false-negative tests pertain to patients labeled as being ‘uninfected’, despite being infected.

    • Dimitra S. Mouliou, Konstantinos I. Gourgoulianis
    • 10.1080/17476348.2021.1917389
    • 2021
    • Expert Rev Respir Med. 2021 : 1-10.

  7. www.nejm.org › doi › pdfFalse Positive Covid-19 Rapid Antigen Tests - The New England ...

    False Positive Covid-19 Rapid Antigen Tests To the Editor: The letter by Herbert et al. (Feb. 22 issue)1 explores persistent false positive results on SARS-CoV-2 rapid antigen tests but overlooks ...

  8. theconversation.com › why-are-some-covid-testWhy are some COVID test results false positives, and how ...

    4 de jun. de 2021 · What causes false positive results? The main reasons for false positive results are laboratory error and off-target reaction (that is, the test cross-reacting with something that’s not...