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Protective rate to vaccinated neonates
| Mother HBsAg | Observed numbers | Person year numbers | HBsAg positive conversion numbers | Annual Positive conversion rate | Effective protective rate |
| Negative (-) | 688 | 4150.0 | 5 | 0.12 | 97.19 |
| Positive (+) | 74 | 508.0 | 1 | 0.20 | 95.32 |
| Total | 762 | 4658.0 | 6 | 0.13 | 96.96 |
| Baseline | 562 | 1124.0 | 48 | 4.27 |
