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Comparison of nasopharyngeal versus nasal sampling for SARS-CoV-2 detection by molecular biology
| Nasopharyngeal sample/nasal
sample results |
No. of samples (%) |
|---|---|
| Concordant results | |
| Positive/positive | 33 (75.0) |
| Negative/negative | 7 (15.9) |
| Discordant results | |
| Positive/negativea | 4 (9.1) |
| Total | 44 (100.0) |
Of the four samples with discordant results, two samples had very low viral loads (CT of 38 on the N gene).
