“As pandemic COVID-19 continues to spread, laboratory testing is essential, and understanding the limits of SARS-CoV-2 detection using rRT-PCR is fundamental.” 

LeBlanc, J, Gubbay, J, et al. Real-time PCR-based SARS-CoV-2 detection in Canadian laboratories. Journal of Clinical Virology. Volume 128, July 2020, 104433, ISSN 1386-6532. https://doi.org/10.1016/j.jcv.2020.104433.