What is a PCR test?
A polymerase chain reaction (PCR) test is performed to detect genetic material from a specific organism, such as a virus. The test detects the presence of a virus if you are infected at the time of the test. The test could also detect fragments of virus even after you are no longer infected.
What is a COVID-19 PCR test?
A PCR test for COVID-19 is a test used to diagnosis people who are currently infected with SARS-CoV-2, which is the coronavirus that causes COVID-19. The PCR test is the “gold standard” test for diagnosing COVID-19 because it’s the most accurate and reliable test.
How does the COVID-19 PCR test compare with other available COVID-19 tests?
Basically, there are two types of tests, diagnostic tests and antibody tests. Diagnostic tests tell you if you have an active (current) COVID-19 infection. Antibody tests tell you that you already had COVID-19.