the RT-PCR kit from Altona Diagnostics having the lowest LOD95 at 3.8copies/mL for both the E- and S-gene assays and the PrimerDesign kithaving the highest LOD95 at 23 copies/mL (Table 2). Overall, our inhouse “Corman” RT-PCR had the lowest estimated LOD95 at 0.91 copies/mL for the E-gene assay [2].