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2. 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]

3. 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.

4. 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.

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

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

   At present, the FDA lists over forty emergency-use approved at-home COVID tests on its website from over thirty different brands. Some tests are rapid at-home antigen tests that give results in as ...

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

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

   According to a 2021 study, at-home antigen test Flowflex had a 100% accuracy in negative test results and 93% in positive results. ... The false positive rate on rapid antigen testing is rare.

7. Nucleic acid test - Wikipedia

   en.wikipedia.org/wiki/Nucleic_acid_test

   Rotavirus. A nucleic acid test (NAT) is a technique used to detect a particular nucleic acid sequence and thus usually to detect and identify a particular species or subspecies of organism, often a virus or bacterium that acts as a pathogen in blood, tissue, urine, etc. NATs differ from other tests in that they detect genetic materials (RNA or DNA) rather than antigens or antibodies.

8. Viral disease testing - Wikipedia

   en.wikipedia.org/wiki/Viral_disease_testing

   A rapid antigen test quickly searches for antigens, protein fragments that are found on the surface of or within a virus. Antigen tests can be analyzed within a few minutes. Antigen tests are less accurate than PCR tests. It has a low false positive rate, but a higher false negative rate.

9. The 50 best Christmas gifts for everyone on your list this year

   www.aol.com/lifestyle/50-best-christmas-gifts-of...

   America's Test Kitchen. Best cookbook of 2024 America's Test Kitchen 25th Anniversary Cookbook. ... The OXO Brew Rapid Brewer is an excellent new coffee tool that dropped in 2024. It's a compact ...