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Characteristics of endemic patterns of hepatitis B virus infection. Source: adapted from Ref.7.
| Characteristic | Endemicity of infection | ||
|---|---|---|---|
| Low (%) | Intermediate (%) | High (%) | |
| Chronic infection prevalence | 0.5-2 | 2-7 | ≥8 |
| Past infection prevalence | 5-7 | 10-60 | 70-95 |
| Perinatal infection | Rare | Uncommon | Common |
| (<10) | (10-60) | (>20) | |
| Early childhood infection | Rare | Common | Very ommon |
| (<10) | (10-60) | (>60) | |
| Adolescent/adult infection | Very common | Common | Uncommon |
| (70-90) | (20-50) | (10-20) | |
