Volume 26, Number 9—September 2020
Research Letter
Severe Acute Respiratory Syndrome Coronavirus 2 among Asymptomatic Workers Screened for Work Resumption, China
Table
Clinical characteristics of asymptomatic persons with detected severe acute respiratory syndrome coronavirus 2 infection, Wuhan, China*
| Age, y/sex | Occupation |
Underlying condition | Interval, d† |
Exposure source | RT-PCR | Ct ORFa1b | Ct N | Interval, d‡ | IgM | IgG | Chest CT | Interval, d§ | Follow-up, d | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 29/M | Office worker | N | 70 | Family | +, –, – | 37 | 38 | 5 | – | + | Normal | 0 | 41 | ||
| 32/M | Journalist | N | 54 | Bus passenger | +, +, – | 39 | 38 | 9 | – | + | Normal | 0 | 41 | ||
| 27/M | Journalist | N | NA | Unclear | +, – | 35 | 32 | 3 | – | – | Normal | 0 | 39 | ||
| 31/F | Researcher | N | 61 | Family | +, –, –, –, – | 36 | 38 | 7 | – | – | NA | NA | 23 | ||
| 27/M | Office worker | N | 75 | Family | +, –, –, – | 33 | 35 | 3 | – | + | Normal | 0 | 21 | ||
| 32/F | Housewife | N | NA | Unclear | +, –, – | 38 | 37 | 14 | – | – | NA | NA | 17 | ||
| 37/F | Office worker | N | 22 | Family | +, –, –, – | 40 | 39 | 8 | NA | NA | NA | NA | 16 | ||
| 57/M | Logistics dispatcher | Asthma | NA | Unclear | +, –, – | 39 | 37 | 8 | NA | NA | Normal | 10 | 16 | ||
| 25/M | Banking | N | NA | Unclear | +, –, – | 38 | 38 | 8 | NA | A | NA | NA | 16 | ||
| 26/M | Marketing | N | NA | Unclear | + | 39 | 38 | NA | – | – | NA | NA | 17 | ||
| 23/M | Marketing | N | NA | Unclear | +, – | 38 | 38 | 13 | – | – | Normal | 5 | 17 | ||
| 26/F | Office worker | N | NA | Unclear | +, – | 38 | 40 | 14 | NA | NA | NA | NA | 17 | ||
| 60/F | Cleaner | N | NA | Unclear | + | 37 | 37 | NA | – | + | NA | NA | 13 | ||
| 65/M | Cleaner | COPD | NA | Unclear | + | 39 | 39 | NA | – | – | Normal | 0 | 13 | ||
| 28/F | Office worker | N | NA | Unclear | + | 38 | 39 | NA | – | + | NA | NA | 8 | ||
| 33/F | Office worker | N | 30 | Family | +, – | 39 | 37 | 12 | – | + | Normal | 0 | 14 | ||
| 30/F | Office worker | N | NA | Unclear | +, – | 39 | 38 | 10 | – | + | NA | NA | 13 | ||
| 62/M | Worker | Hypertension |
NA | Unclear | + | 39 | 39 | NA | – | – | NA | NA | 3 | ||
*COPD, chronic obstructive pulmonary disease; CT, computed tomography; Ct ORFa1b, RT-PCR cycle threshold for the ORFa1b gene; Ct N, RT-PCR cycle threshold for the N gene; N, no; NA, not available; +, positive; –, negative.
†Days between last exposure and initial positive RT–PCR.
‡Days between first positive and first negative RT-PCR results
§Days between first positive RT-PCR and CT scan.
1These first authors contributed equally to this article.
2These senior authors contributed equally to this article.
Page created: June 10, 2020
Page updated: August 20, 2020
Page reviewed: August 20, 2020
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