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2. The best FDA-approved at-home COVID tests - AOL

   www.aol.com/lifestyle/at-home-covid-tests...

   $19 at Rite Aid $19 at CVS Pharmacy $24 at Walgreens. ... the On/Go COVID-19 antigen home test was also approved by the FDA for a 24-month shelf life. ... Type of Test (PCR vs. Antigen)

3. What Really Causes a False Positive COVID-19 Test? Experts ...

   www.aol.com/false-positive-covid-19-test...

   In the most basic sense, there are four possible outcomes for a COVID-19 test, whether it’s molecular PCR or rapid antigen: true positive, true negative, false positive, and false negative.

4. Free COVID-19 tests are now available. Here's how you ... - AOL

   www.aol.com/free-covid-19-tests-now-130709804.html

   Free at-home COVID-19 tests are now available for families across the nation. As of Thursday, families are now able to obtain up to four free COVID-19 tests through the U.S. Department of Health ...

5. Development of COVID-19 tests - Wikipedia

   en.wikipedia.org/wiki/Development_of_COVID-19_tests

   On 15 December, the U.S. Food and Drug Administration (FDA) issued an emergency use authorization (EUA) for the first over-the-counter (OTC) fully at-home diagnostic test for COVID-19. [ 107 ] [ 108 ] [ 109 ] The 'Ellume COVID-19 Home Test' is a rapid, lateral flow antigen test, a type of test that runs a liquid sample along a surface with ...

6. Rapid antigen test - Wikipedia

   en.wikipedia.org/wiki/Rapid_antigen_test

   A COVID-19 Rapid Antigen test(top) with a Covid-19 Rapid Antigen and a Influenza A&B Rapid Antigen Test(bottom) A rapid antigen test (RAT), sometimes called a rapid antigen detection test (RADT), antigen rapid test (ART), or loosely just a rapid test, is a rapid diagnostic test suitable for point-of-care testing that directly detects the presence or absence of an antigen.

7. COVID-19 testing - Wikipedia

   en.wikipedia.org/wiki/COVID-19_testing

   COVID-19 Antigen Rapid Test Kit; the timer is provided by the user. Mucus from nose or throat in a test liquid is placed onto a COVID-19 rapid antigen diagnostic test device. COVID-19 rapid testing in Rwanda. An antigen is the part of a pathogen that elicits an immune response. Antigen tests look for antigen proteins from the viral surface.

8. The differences you need to know about PCR and rapid antigen ...

   www.aol.com/news/differences-know-pcr-rapid...

   The government is offering free COVID-19 testing kits to all Americans, many may have questions about how accurate these tests are. Both the PCR and Antigen tests can detect an active case of ...

9. COVID-19 rapid antigen test - Wikipedia

   en.wikipedia.org/wiki/COVID-19_rapid_antigen_test

   COVID-19 rapid antigen tests (RATs) have been widely used for diagnosis of COVID-19. The World Health Organization (WHO) COVID-19 Case Definition states that a person with a positive RAT (also known as an antigen rapid diagnostic test or Antigen-RDT) can be considered a "confirmed case of SARS-CoV-2 infection" in two ways. [10]