Acknowledgement:
...We also thank J. Grantham, J. Nutt, S. Cowden, K. Arnett, M. Wissel, C. Marti, S. Schildnecht and S. Kleiboeker, along with the staff of Eurofins Viracor BioPharma, for the development, validation and clinical trial sample analyses using SARS-CoV-2 RT–qPCR. With regards to generation of SARS-CoV-2 spike gene sequences, we thank T. Paprotka, T. Brefort, M. Schmitt, Y. Kumar, J. Nutt, S. Cowden, K. Murray, M. Diaz, M. Watters, C. Marti, E. Bixler, T. Moss and R. Sinha, along with the staff of Eurofins Viracor and Eurofins Genomics.