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

In southern China, rapid antigen tests for Covid are in short supply as local governments run short of money for the free sidewalk P.C.R. tests that they have offered until now.

From New York Times

All residents in the world's biggest gambling hub have been told to take a PCR test on Tuesday and then test themselves daily with rapid antigen tests.

From Reuters

Vaccinated travelers no longer need to provide a PCR or antigen test result to enter Indonesia.

From Washington Post