Table 2. Culture and sgRNA results stratified by specimen type for patients with mild coronavirus disease, Hong Kong*.
| Specimen | Investigation | Days after onset of illness, no. positive/no. tested |
||||
|---|---|---|---|---|---|---|
| 1–2 | 3–8 | 9–14 | 15–21 | >21 | ||
| NPA + TS |
Culture | 8/14 | 2/14 | 0/8 | 0/2 | 0/8 |
| sgRNA |
8/11 |
4/4 |
0/1 |
0/0 |
0/4 |
|
| NPA |
Culture | 2/2 | ||||
| sgRNA |
|
1/1 |
|
|
|
|
| NPS + TS |
Culture | 0/2 | 0/2 | |||
| sgRNA |
|
|
|
|
|
|
| NPS |
Culture | 1/1 | 1/1 | 0/1 | ||
| sgRNA |
1/1 |
1/1 |
|
|
|
|
| Sputum |
Culture | 0/1 | 0/2 | 0/8 | ||
| sgRNA |
|
1/1 |
1/1 |
0/5 |
|
|
| Saliva | Culture | 2/2 | ||||
| sgRNA | 2/2 | |||||
*Blank cells indicate that no specimens were collected at that time point. NPA, nasopharyngeal aspirate; NPS, nasopharyngeal swab; sgRNA, subgenomic viral RNA: TS, throat swab.