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Types of nucleic acid test specimens.
| Specimen type | COVID-19 |
Influenza A Virus |
Influenza B Virus |
|||
|---|---|---|---|---|---|---|
| Positive cases-No., % | Test cases | Positive cases-No., % | Test cases | Positive cases-No., % | Test cases | |
| Pharyngeal swab | 32 (1.3) | 2510 | 57 (2.3) | 2510 | 84 (3.3) | 2510 |
| Feces | 8 (19) | 43 | 0 | 6 | 0 | 6 |
| Serum | 0 | 31 | 2 (13) | 15 | 2 (13) | 15 |
| Sputum | 0 | 15 | 0 | 15 | 0 | 15 |
| Bronchial lavage | 0 | 1 | 0 | 1 | 0 | 1 |
| Nasal swab | 0 | 6 | / | / | / | / |
| Whole blood | 0 | 1 | / | / | / | / |
| Tear | 0 | 10 | / | / | / | / |
