antigen

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The F protein is an antigen, the part of a pathogen that the immune system recognizes as a threat and makes antibodies against.

From Scientific American

These tests are generally more sensitive than antigen tests, and at-home molecular tests have been more expensive than rapid antigen tests.

From New York Times

Starting in May, though, beneficiaries in original Medicare and many people with private, job-based insurance will have to start paying out-of-pocket for the rapid antigen test kits.

From Seattle Times

The participants had to have first shown symptoms within the past week and to have tested positive in a rapid antigen assay.

From Scientific American

It’s also possible that a rapid antigen or PCR test missed their diagnosis if they took it before they had a sufficient viral load.

From Washington Post