COVID-19 Assay Products from CLSqPCR SARS-CoV-2 SARS-CoV-2 Real Time PCR allows the qualitative detection of SARS-CoV-2 by real time RT-PCR in respiratory samples. Coronavirus COVID-19 Antibody tests NADAL® COVID-19 IgG/IgM rapid test and EDI™ Novel Coronavirus COVID-19 ELISA Kits. Illustrative representation of antibody levels over time. The presence of detectable IgM antibodies ~7 days after disease onset.The presence of detectable IgG antibodies 15-28 days after disease onset. Contact info@clsdiagnostics.com