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. 2020 Aug 21;131:104581. doi: 10.1016/j.jcv.2020.104581

Table 2.

Frequency of mismatches between 15,001 SARS-CoV-2 genome sequences and 15 sets of oligonucleotides from early lab developed tests. The Charite group - RdRP, Japan NIID - N, and China CDC - N assays were further analyzed due to extensive mismatches..

Assay 0
mismatches
1
mismatches
2
mismatches
3+
mismatches
Charité group - N 98.9 % 0.9 % 0.0 % 0.1 %
Charité group - RdRP 0.0 % 99.6 % 0.3 % 0.0 %
Charité group - E 99.6 % 0.2 % 0.1 % 0.0 %
China CDC - N 79.9 % 1.0 % 0.0 % 19.0 %
China CDC - orf1ab 99.1 % 0.8 % 0.0 % 0.0 %
HKU - N 98.9 % 0.9 % 0.1 % 0.1 %
HKU - orf1b-nsp14 99.5 % 0.4 % 0.0 % 0.0 %
Japan NIID - N 0.0 % 99.5 % 0.5 % 0.0 %
Pasteur - RdRP-IP2 99.5 % 0.2 % 0.3 % 0.0 %
Pasteur - RdRP-IP4 99.5 % 0.4 % 0.1 % 0.0 %
Thailand NIH - N 99.1 % 0.4 % 0.2 % 0.3 %
CDC USA - N1 97.6% 0.6 % 0.1 % 1.7 %
CDC USA - N2 99.3% 0.6 % 0.0 % 0.0 %
CDC USA - N3 98.4% 1.4 % 0.0 % 0.1 %
BCCDC PHL - RdRP 99.7 % 0.3 % 0.0 % 0.0 %