Table 2. Results of Real-Time Reverse-Transcriptase–Polymerase-Chain-Reaction Testing for the 2019 Novel Coronavirus (2019-nCoV).*.
| Specimen | Illness Day 4 | Illness Day 7 | Illness Day 11 | Illness Day 12 |
|---|---|---|---|---|
| Nasopharyngeal swab | Positive (Ct, 18–20) |
Positive (Ct, 23–24) |
Positive (Ct, 33–34) |
Positive (Ct, 37–40) |
| Oropharyngeal swab | Positive (Ct, 21–22) |
Positive (Ct, 32–33) |
Positive (Ct, 36–40) |
Negative |
| Serum | Negative | Negative | Pending | Pending |
| Urine | NT | Negative | NT | NT |
| Stool | NT | Positive (Ct, 36–38) |
NT | NT |
*
Lower cycle threshold (Ct) values indicate higher viral loads. NT denotes not tested.