Most frequently reported adverse events
| Symptom | Number of children affected (%) |
| Nausea and vomiting | 916 (4.6%) |
| Diarrhoea | 661 (3.3%) |
| Rash | 606 (3.0%) |
| Joint pain | 482 (2.4%) |
| Elevated hepatic enzymes | 228 (1.1%) |
| Abdominal pain | 200 (1.0%) |
| Acute kidney injury | 48 (0.2%) |