Why do pcr test take so long - why do pcr test take so long.What Takes So Long? A Behind-The-Scenes Look At The Steps Involved In COVID-19 Testing
Why do pcr test take so long - why do pcr test take so long.What Takes So Long? A Behind-The-Scenes Look At The Steps Involved In COVID-19 Testing Looking for: Why do pcr test take so long - why do pcr test take so long.Why does COVID-19 testing take so long? A behind-the-scenes look Click here to DOWNLOAD How are they used? PCR tests are used to: Diagnose certain infectious diseases Identify a genetic change that can cause disease Find small amounts of cancer cells that might be missed in other types of tests. How do they work? The sample is put in a special machine. An enzyme called polymerase is added to the sample. This causes the sample to produce copies. The copying process is repeated multiple times. After about an hour, billions of copies are made. If a virus or pathogen is present, it will be indicated on the machine. What happens during a PCR test? Then you or the provider will: Gently insert a swab inside your nostril Rotate the swab and leave it in place for 10
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