Maternal HBsAg status | Single-antigen vaccine* | Single antigen* plus combination vaccine | ||
Dose | Age | Dose | Age | |
Positive¶ | 1 | Birth (≤12 hours)* | 1 | Birth (≤12 hours)* |
HBIGΔ | Birth (≤12 hours) | HBIGΔ | Birth (≤12 hours) | |
2 | 1 to 2 months* | 2 | 2 months | |
3 | 6 monthsפ | 3 | 4 months | |
4 | 6 monthsפ | |||
Unknown¥ | 1 | Birth (≤12 hours)* | 1 | Birth (≤12 hours)* |
2 | 1 to 2 months* | 2 | 2 months | |
3 | 6 months◊ | 3 | 4 months | |
4 | 6 months◊ | |||
Negative | 1 | Birth (≤24 hours)* | 1 | Birth (≤24 hours)* |
2 | 1 to 2 months* | 2 | 2 months | |
3 | 6 to 18 months◊ | 3 | 4 months | |
4 | 6 months◊ |
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