How to Use antigen in a Sentence

antigen

noun
  • An antigen test is one type of test that can detect the virus.
    — Lisa Schencker, chicagotribune.com, 21 Sep. 2021
  • None of the at-home rapid antigen tests available over the counter in the U.S. are designed for throat swabs.
    — NBC News, 14 Jan. 2022
  • For rapid antigen tests, serial testing is the name of the game.
    — Sumathi Reddy, WSJ, 29 Aug. 2022
  • Each home in the U.S. has until Friday, Sept. 2 to order the free rapid antigen test.
    — Leada Gore | Lgore@al.com, al, 30 Aug. 2022
  • Right now, the fastest and easiest tests to run are rapid antigen tests.
    — Theresa MacHemer, Smithsonian Magazine, 2 June 2021
  • Results will be valid for 72 hours for a PCR test and six hours for an antigen test.
    — Elizabeth Weise, USA TODAY, 26 Mar. 2021
  • The groups depend on the presence or absence of antigens A and B on the surface of your blood.
    — Korin Miller, Health, 22 June 2024
  • The two main types of coronavirus tests are PCR and antigen tests.
    — Madison Yauger, Health.com, 24 Jan. 2022
  • The feds will send eight rapid antigen tests to any address in the country that requests them.
    — oregonlive, 17 May 2022
  • Either an antigen test or a PCR test could be used at this point.
    — Katia Hetter, CNN, 8 Feb. 2023
  • People who use a rapid antigen test must take it within 24 hours of the event.
    — Christine Mai-Duc, WSJ, 13 Dec. 2021
  • Authorized over-the-counter at-home rapid antigen tests can range in cost from about $20 to $35.
    — Washington Post, 28 Aug. 2021
  • An antigen test seems to offer a way out of this dilemma.
    — Robinson Meyer, The Atlantic, 14 Aug. 2020
  • Other kits use antigen tests, which look for proteins on the surface of the virus.
    — Sarah Jacoby, SELF, 23 Dec. 2020
  • The rapid antigen tests take about 30 minutes to give results.
    — Deidre McPhillips, CNN, 26 Sep. 2024
  • One way to do that is to repeat the antigen at-home tests to have more confidence in the result.
    — Alice Park, Time, 27 Apr. 2021
  • An antigen test, Campbell said, looks for the proteins that make up the virus coating.
    — Joshua Bote, USA TODAY, 8 Aug. 2020
  • The CareStart antigen home test shows your results in 10 minutes.
    — Samantha Jones, Health.com, 8 Dec. 2021
  • After openly mocking the idea, the White House now has a plan to send free at-home covid-19 rapid antigen tests.
    — Annalisa Merelli, Quartz, 23 Dec. 2021
  • The Giants encourage fans to take a PCR-type test, not a rapid antigen test.
    — Ron Kroichick, San Francisco Chronicle, 1 Apr. 2021
  • And those are the exact people these antigen tests are designed to find.
    — Alice Park, Time, 27 Apr. 2021
  • The antigen test involves a nasal swab, and is based on the same technology as a flu test.
    — Olivia Raimonde, Bloomberg.com, 8 Sep. 2020
  • According to the website, these are rapid antigen tests and are not PCR tests.
    — Adam Terro, The Arizona Republic, 8 Mar. 2022
  • Celebrity will charge guests $178 per person for the antigen tests.
    — Alison Fox, Travel + Leisure, 23 June 2021
  • But some nursing homes would like to use quicker antigen tests in their place.
    — Jackie Borchardt, The Enquirer, 27 Aug. 2020
  • The value of antigen tests is based on a simple tradeoff.
    — Whet Moser, The Atlantic, 13 Jan. 2021
  • What is the difference between a P.C.R. test and an antigen test?
    — Sarah Mervosh, New York Times, 7 Aug. 2020
  • Persse said rapid antigen tests can show false negatives 15 to 30 percent of the time.
    — Fox News, 6 Aug. 2020
  • But cancer cells can stop expressing these antigens, slipping past immune surveillance.
    — William A. Haseltine, Forbes, 25 Oct. 2024
  • Vaccines work by introducing antigens that mimic a pathogen, triggering lymphocytes (a type of white blood cell) to produce antibodies.
    — Jenny Lehmann, Discover Magazine, 24 Feb. 2025

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'antigen.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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