Table 1: Laboratory and echocardiographical findings of cases.
| Patient 1 | Patient 2 | |
| Peripheral blood leukocyte count (/mm3) | 5.500 | 16.050 |
| Granulocyte (%) | 44.5 | 75.5 |
| C-reactive protein (mg/L) | 22 | 94 |
| Erytrocyte sedimentation rate (mm/hour) | 60 | 61 |
| Hemoglobin (g/dL) | 11 | 11.2 |
| Hematocrite rate (%) | 33 | 32.3 |
| EBV-VCA IgM | Negative | Negative |
| Cytomegalovirus IgM | Negative | Negative |
| Bacterial cultures (throat, urine, and blood) | Negative | Negative |
| Multiplex PCR for respiratory viruses | Human adenovirus | Human adenovirus |
| First echocardiography | Coronary arteritis | Coronary arteritis |
| Second echocardiography | Normal | Normal |
EBV-VCA: Epstein-Barr virus viral capsid antigen; PCR: polymerase chain reaction.