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What’s the Difference Between a PCR and Antigen COVID-19 Test? A Molecular Biologist Explains  

Author:  Nathaniel Hafer.

Source: Volume 23, Number 01, Winter 2022 , pp.20-20(1)

Correctional Health Care Report

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Two major types of tests are used to diagnose infection with SARS-CoV-2: molecular tests—better known as PCR tests—and antigen tests. Each detects a different part of the virus, and how it works influences the test’s speed and relative accuracy. This article looks at the differences between these types of tests.

Keywords: PCR and Antigen Tests; COVID-19

Affiliations:  1: UMass Chan Medical School.

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