ADVERTISEMENT
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.

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