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. 2021 Jul 14;16(7):e0252509. doi: 10.1371/journal.pone.0252509

Table 3. Sample content of the EQA Pilot study.

Sample code: QCMD panel sample codes for the samples distributed to laboratories. Sample content: Content of the individual panel samples and, where applicable, the subtype or stain of the pathogen. Expected result: Expected outcome when testing for SARS-CoV-2. Log10 dPCR Copies/ml: The value obtained using a digital droplet PCR assay (modified from [14]). Samples CVOP20S2-07, 01, 03, 08, are in a calibrated dilution series. CVOP20S2-06 is a duplicate sample of CVOP20S2-01.

Sample code Sample content Expected result Log10 dPCR Copies/ml
CVOP20S2-01 Novel Coronavirus SARS-CoV-2 Positive 4.30
CVOP20S2-02 Coronavirus NL63 Negative 4.64
CVOP20S2-03 Novel Coronavirus SARS-CoV-2 Positive 3.30
CVOP20S2-04 Coronavirus OC43 Negative 4.03
CVOP20S2-05 CV Negative Negative -
CVOP20S2-06 Novel Coronavirus SARS-CoV-2 Positive 4.30
CVOP20S2-07 Novel Coronavirus SARS-CoV-2 Positive 5.30
CVOP20S2-08 Novel Coronavirus SARS-CoV-2 Borderline Positive 2.30