SARS-CoV-2 variant-specific polymerase chain reaction assay for SARS-CoV-2 genomic surveillance By admin | June 17, 2022 0 Comment Researchers reported on the misclassification of the SARS-CoV-2 Omicron BA.1 subvariant as Omicron BA.2 subvariant in an automated variant-specific polymerase chain reaction analysis.