A RT-qPCR system using a degenerate probe for specific identification and differentiation of SARS-CoV-2 Omicron (B.1.1.529) variants of concern. - Jessen, Randi; Nielsen, Line; Larsen, Nicolai Balle; Cohen, Arieh Sierra; Gunalan, Vithiagaran; Marving, Ellinor; Alfaro-Núñez, Alonzo; Polacek, Charlotta; Fomsgaard, Anders; Spiess, Katja (PLoS ONE, 2022)