The present invention relates to: a composition for detecting SARS coronavirus 2; a composition for diagnosing SARS coronavirus 2 infection; a method for detecting SARS coronavirus 2; and a SARS coronavirus 2 infection diagnostic kit, wherein a receptor and an antibody that bind to SARS coronavirus 2 spike protein are used in order to detect SARS coronavirus 2 (SARS-CoV-2) or diagnose SARS coronavirus 2 infection (COVID-19).
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