Table 1. Clinical and CT Features.
| Characteristics | Case 1 | Case 2 | Case 3 | Case 4 |
|---|---|---|---|---|
| Demographics | ||||
| Age (years) | 7 | 7 | 12 | 13 |
| Sex | Male | Female | Female | Male |
| Symptoms at onset | None | None | None | None |
| Symptoms during whole disease course | None | None | None | None |
| Epidemiologic history | ||||
| Family members infected | 3 | 3 | 1 | 1 |
| Severity of disease on admission | Mild | Mild | Mild | Mild |
| Laboratory findings | ||||
| White blood cell count (× 109/L) | 6.86 | 4.79 | 6.52 | 4.60 |
| Neutrophil count (× 109/L) | 1.47 | 2.23 | 3.48 | 2.28 |
| Lymphocyte count (× 109/L) | 4.66 | 2.18 | 2.33 | 1.85 |
| Alanine aminotransferase (U/L) | 16 | 520 | 15 | 39 |
| Aspartate aminotransferase (U/L) | 24 | 439 | 16 | 27 |
| Procalcitonin (mg/L) | < 0.05 | < 0.05 | < 0.05 | < 0.05 |
| C-reactive protein (mg/L) | 0.54 | 0.54 | 1.70 | 1.30 |
| Co-infection | None | None | None | None |
| CT features on admission | ||||
| GGO | None | Presence | Presence | Presence |
| Consolidation | None | Presence | None | None |
| Lesion distribution | None | Peripheral | Peripheral | Peripheral |
| Lesion size | None | Small | Small | Small |
| Infected lobe | None | Lower lobe | Lower lobe | Lower lobe |
| Unilateral or bilateral lung involvement | None | Unilateral | Bilateral | Unilateral |
| Treatment | ||||
| Intensive care unit | No | No | No | No |
| Severe complications | No | No | No | No |
| Medication | Vitamin C | Vitamin C | Arbidol | Arbidol |
| Time from confirmation to first negative RT-PCR result (days) | 2 | 4 | 3 | 12 |
| Time from confirmation to discharge (days) | 13 | 13 | 7 | 15 |
CT = computed tomography, GGO = ground glass opacity, RT-PCR = reverse transcription-polymerase chain reaction