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  1. PCR Test: What It Is, How It Works & Results - Cleveland Clinic

    Jan 16, 2025 · A PCR (polymerase chain reaction) test is a lab technique that amplifies (creates more copies) of genetic material (DNA). Healthcare providers can use PCR to test for …

  2. PCR Tests: MedlinePlus Medical Test

    PCR (polymerase chain reaction) tests are a reliable and accurate way to diagnose certain infectious diseases, some types of cancer, and certain genetic changes. The tests check for …

  3. Polymerase chain reaction - Wikipedia

    PCR is an important testing tool that can detect sequences within the gene for the pertussis toxin. Because PCR has a high sensitivity for the toxin and a rapid turnaround time, it is very efficient …

  4. What is a PCR test, and how does it work? - Medical News Today

    Jan 29, 2024 · What is a polymerase chain reaction (PCR) test? Here, we describe how the tests work and why health experts and researchers use them.

  5. Polymerase chain reaction (PCR) | Definition, Steps, Applications ...

    Dec 31, 2025 · Polymerase chain reaction is a technique used to make numerous copies of a specific segment of DNA quickly and accurately.

  6. Polymerase Chain Reaction (PCR) Test - eMedicineHealth

    Polymerase chain reaction (PCR) is a chemical reaction harnessed to detect and identify trace bits of DNA, whether from a virus or bacteria to study the organism or diagnose an infection, or …

  7. COVID-19 PCR Testing: Choose The Option That's Right For You

    Get a COVID-19 PCR test for travel, activities, or possible infection. Labcorp offers COVID-19 at home kits or you can visit a select Labcorp location for observed collection.

  8. PCR vs. rapid COVID-19 test: What’s the difference?

    May 9, 2025 · There are two types of COVID-19 tests: the polymerase chain reaction (PCR) test and the antigen test, known as the rapid test. Both tests require a sample from the patient, …

  9. Testing for COVID-19 | Covid | CDC

    Mar 10, 2025 · Nucleic acid amplification tests (NAATs), including PCR tests, are more likely to detect the virus than antigen tests. NAATs tests are the “gold standard” for COVID-19 tests.

  10. Polymerase Chain Reaction (PCR): Steps in This DNA Test

    PCR (polymerase chain reaction) is a method to analyze a short sequence of DNA (or RNA) even in samples containing only minute quantities of DNA or RNA. PCR is used to reproduce …