ADVERTISEMENT
Three covid rapid antigen tests displaying (left to right) invalid, positive, and negative results.
What Does a Positive Covid Test Look Like?
Lateral flow tests for COVID-19 can be very accurate and specific when used as directed, but introducing acidic fluids can cause the tests’ detecting antibodies to clump, which may read as a positive result.
What Does a Positive Covid Test Look Like?
What Does a Positive Covid Test Look Like?

Lateral flow tests for COVID-19 can be very accurate and specific when used as directed, but introducing acidic fluids can cause the tests’ detecting antibodies to clump, which may read as a positive result.

Lateral flow tests for COVID-19 can be very accurate and specific when used as directed, but introducing acidic fluids can cause the tests’ detecting antibodies to clump, which may read as a positive result.

  1. Home
  2. Subjects
  3. false positives

false positives

Faulty Statistics Muddy fMRI Results
Tanya Lewis | Jul 6, 2016 | 2 min read
An analysis of the widely used technique calls into question the validity of 40,000 studies.
Cancer Test Gets Bad Reviews
Sabrina Richards | May 22, 2012 | 2 min read
US Preventive Services Task Force recommends against a commonly used prostate cancer screening.
ADVERTISEMENT
We’ve updated our Privacy Policy to make it clearer how we use your personal data.
Please read our Cookie Policy to learn how we use cookies to provide you with a better experience.
ADVERTISEMENT