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

UMass Chan molecular biologist Nate Hafer explains in a piece written for The Conversation.

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

PCR Testing vs. Antigen Testing

How Accurate Are at-Home COVID Tests? - GoodRx

Best Home COVID Tests - CNET

Comparative analyses of eighteen rapid antigen tests and RT-PCR

PCR vs Antigen Testing for the Workplace - AllClear Healthcare

COVID-19 Antigen Rapid Test Kit - JOYSBIO Biotechnology

What Are All the Different Kinds of COVID-19 Tests?

Did you test negative when sick or exposed to COVID? Here's what

Difference between RT-PCR, Antibody & Rapid Antigen test

Testing Information - Delaware's Coronavirus Official Website

Sodas, Lemon Juice Cause False Positives in Rapid COVID-19 Tests

What tests could potentially be used for the screening, diagnosis

WHO/Europe on X: On a quest for a #COVID19 test? 🦠🧪💉🔬 Before

At Home Covid-19 Test Kits – Antigen & PCR