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.

PCR Testing vs. Antigen Testing

COVID-19 tests: Different types and when to use them - Mayo Clinic

Study: At-Home Rapid COVID Tests May Miss Many Infections - www

Antigen rapid test vs RT-PCR for COVID-19: What you need to know

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

Pros and Cons of the Common Types of COVID-19 Tests

COVID-19 Testing FAQs

North Shore Health Department - Know the difference between

Comparative analyses of eighteen rapid antigen tests and RT-PCR

PCR vs Antigen Testing for the Workplace - AllClear Healthcare

Covid-19 antigen tests on par with PCR if carried out multiple

PCR test recall: Can PCR tests tell the difference between COVID

At Home Covid-19 Test Kits – Antigen & PCR