Two Main COVID-19 Tests, Explained

Does a Faint Line on a COVID Test Mean You're Positive?

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Advice for the public

Performance evaluation of antigen detection rapid diagnostic test (Ag-RDT) for COVID-19 diagnosis in a primary healthcare center during the Shanghai COVID-19 quarantine period, Virology Journal

Performance of an Antigen-Based Test for Asymptomatic and Symptomatic SARS-CoV-2 Testing at Two University Campuses — Wisconsin, September–October 2020

Explained: How a COVID-19 Serology Test Works And Obstacles to its Use - Research!America

Diagnostics, Free Full-Text

Diagnostic performance of oral swab specimen for SARS-CoV-2 detection with rapid point-of-care lateral flow antigen test

New test may predict Covid-19 immunity, MIT News