| Reference | Sample Size | CNS | PNS | Skeletal Muscle Injury |
| Mao L et al. [18] | 214 | Total: 24.8% Dizziness: 16.8% Headache: 13.1% | Total: 8.9% Dysgeusia: 5.6% Dysosmia: 5.1% Visual disturbances: 1.4% Neuralgia: 2.3% | Total: 10.7% |
| Li Y et al. [19] | 219 | Acute ischaemic stroke: 4.6% Intracerebral haemorrhage: 0.5% | NA | NA |
| Huang C et al. [20] | 42 | Headache: 8% | Myalgia or Fatigue: 44% | NA |
| Chen N et al. [21] | 99 | Headache: 8% | Confusion: 9% | Muscle ache: 11% |
| Lu L et al. [22] | 304 | Seizures: 39% Hypoxia: 25% Encephalopathy: 2.6% Hypokalemia: 13% Hyponatremia: 11% Hypocalcemia: 7% | NA | NA |
| Giacomelli A et al. [14] | 59 | NA | NA | Anosmia or Ageusia: 33.9% Anosmia and Ageusia: 18.6% |
| Guan W et al. [23] | 1099 | NA | Nausea or Vomiting: 5% Diarrhea: 3.8% | NA |