What's the difference between a PCR and antigen COVID-19 test?

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Comparing the diagnostic accuracy of point-of-care lateral flow antigen testing for SARS-CoV-2 with RT-PCR in primary care (REAP-2) - eClinicalMedicine

Study looks at rapid antigen vs. PCR tests in the emergency department triage

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The science behind false negative COVID-19 tests : Oregon Health News Blog

Comparative performance of SARS-CoV-2 lateral flow antigen tests and association with detection of infectious virus in clinical specimens: a single-centre laboratory evaluation study - The Lancet Microbe

Rapid Testing and PCR Testing, what's the difference and which do I need? - Sacramento LGBT Community Center

What is the difference between PCR and Antigen tests?

COVID-19 Testing: Understanding the Difference - Healthy Living