In response to: Multiple assays in a real-time RT-PCR severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) panel can mitigate the risk of loss of sensitivity by new genomic variants during the COVID-19 outbreak. (April 2021) - Peñarrubia, Luis; Ruiz, Maria; Porco, Roberto; Rao, Sonia N.; Vella, Stephen A.; Juanola-Falgarona, Martí; Manissero, Davide; López-Fontanals, Marta; Pareja, Josep