What Is A PCR Test In The Context Of COVID-19 Testing?

Is the PCR test for COVID-19 accurate?

PCR tests remain the gold standard for detecting an active COVID-19 infection. The tests have accurately detected COVID-19 cases since the pandemic began. Highly trained clinical professionals are skilled at correctly interpreting PCR test results and notices like this one from the WHO.

PCR test recall: Can PCR tests tell the difference between COVID-19 and the flu?

Is there a diagnostic test for COVID-19?

Yes, the FDA has issued Emergency Use Authorizations (EUAs) for different types of COVID-19 tests. Some tests are used to diagnose the virus that causes COVID-19 infection whereas other tests are used to detect a recent or prior COVID-19 infection.

COVID-19 Frequently Asked Questions | FDA

What is the difference between an antigen and PCR COVID-19 test?

PCR tests are accurate but can take a long time to produce results. Antigen tests, the other major type of coronavirus test, while much faster, are less accurate. Antigens are substances that cause the body to produce an immune response – they trigger the generation of antibodies.

What's the difference between a PCR and antigen COVID-19 test ... - KRQE

What is the difference between the types of tests available for COVID-19?

See full answerThere are two different types of tests – diagnostic tests and antibody tests. A diagnostic test can show if you have an active coronavirus infection and should take steps to quarantine or isolate yourself from others. Currently there are two types of diagnostic tests – molecular (RT-PCR) tests that detect the virus's genetic material, and antigen tests that detect specific proteins on the surface of the virus. Samples are typically collected with a nasal or throat swab, or saliva

COVID-19 Frequently Asked Questions | FDA