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

Rapid antigen tests taken in the previous 24 hours before landing in Qatar will only be accepted if they are from official medical centers and not self-administered.

From Seattle Times

The third, Timothy A. Springer, of Boston Children’s Hospital, found proteins that guided immune cells in the body and helped them recognize foreign antigens.

From New York Times

Instead, they will need to present a negative COVID-19 result from a rapid antigen test conducted within 24 hours before the flight.

From Washington Times