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COVID-19 and PCR Testing - Cleveland Clinic
WebPCR tests work by: Taking a sample of blood, saliva, mucus, or tissue The sample will contain your own DNA and possibly the DNA of a pathogen or cancer cell. 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. WebMay 12, 2024 · Interpreting the result of a test for covid-19 depends on two things: the accuracy of the test, and the pre-test probability or estimated risk of disease before … crypto on ameritrade
Understanding At-Home OTC COVID-19 Antigen Diagnostic Test …
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