Antigen Versus PCR for SARS-CoV-2: Introduction, Principle, Differences, and Keynotes
Introduction of Antigen Versus PCR for SARS-CoV-2 Antigen and PCR tests in COVID-19 patients are the most common assays applicable for laboratory diagnosis of COVID-19 caused by a virus, severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2). The antigen is a foreign substance that induces an …