These tests look for nucleic acid from the virus instead of antigen. The FDA has approved several rapid antigen tests for COVID-19 because they offer a more simple and accessible option for testing.

This review seeks to familiarize the readers with RSV rapid antigen-detection tests, describe their performance characteristics and comment on their strengths and weaknesses. The authors will ...

What I'm most excited about are these rapid tests, the antigen tests. They look for a protein fragment of the coronavirus, and they give you the results in 15 minutes. They're not as accurate as ...

Rapid Covid home tests are more likely ... to study the performance of home tests, also known as “antigen” tests, against patient samples containing live versions of the Omicron variant.

Related stories But if the test comes back positive, there's little reason to doubt the results. "If these rapid antigen tests are positive, there's a very, very low likelihood that that's a false ...

Rapid antigen-based testing was quickly embraced for its ease of use and speed; results are available within an unprecedented 30 min, potentially at the point of care, and without the requirement ...