Qualitative VITROS SARS CoV2 antigen assay – Procedural Steps: – Stage 1: Nasopharyngeal swab specimen assortment: 1. Purchase a nasopharyngeal swab specimen by inserting the sterile swab into the nostril. 2. Push the sterile swab until resistance is met on the stage of the turbinate. 3. Rotate the sterile swab plenty of events in direction… Continue reading