What can we reason but from what we know? -Alexander Pope

NCHD explains COVID-19 testing process

People often have questions related to COVID-19 testing and the process behind it. Testing is a crucial part of treating and limiting the spread.

Symptoms of COVID-19 may appear between two and 14 days after exposure and we recommend that anyone with symptoms should get tested. There are three kinds of tests available for COVID-19: PCR, antigen and antibody tests. A PCR test, also known as a molecular-based test, tells you if you have a current infection but it is not useful in determining past exposure in fully recovered patients. Samples are collected from your respiratory system such as a n...


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