SARS-CoV-2 samples may escape detection because of a single point mutation in the N gene
Ziegler, Katharina and Steininger, Philipp and Ziegler, Renate and Steinmann, Jörg and Korn, Klaus and Ensser, Armin, Eurosurveillance, 25, 2001650 (2020), https://doi.org/10.2807/1560-7917.ES.2020.25.39.2001650