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What's the difference between a PCR and antigen COVID-19 test? A molecular biologist explains

  • Written by Nathaniel Hafer, Assistant Professor, Program in Molecular Medicine, UMass Chan Medical School
What's the difference between a PCR and antigen COVID-19 test? A molecular biologist explainsAll COVID-19 tests start with a sample, but the scientific process goes very differently after that. Morsa Images/Digital Vision via Getty Images

At this point in the pandemic, you or someone you know has probably received at least one COVID-19 test. But do you know which kind of test you got and the strengths and weaknesses of these different...

Read more: What's the difference between a PCR and antigen COVID-19 test? A molecular biologist explains

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