Long‐Term Immunoprophylaxis of Hepatitis B Surface Antigen Carrier in Infants Born to Hepatitis B Surface Antigen Positive Mothers Using Plasma Derived Vaccine
Immunoprophylaxis of HBV infection using 3 doses (10 μg) of plasma derived HBV vaccine were given to 49 newborn infants of e‐antigen negative HBs Ag carrier mothers at birth, one and 6 months of age. The protective efficacy rate was 100% during first 2 years. At 3 years of age, HBs Ag carrier was 2....
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| Main Authors: | , , , |
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| Format: | Article |
| Published: |
2018
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| Online Access: | https://repository.li.mahidol.ac.th/handle/123456789/15840 |
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| Institution: | Mahidol University |
| Summary: | Immunoprophylaxis of HBV infection using 3 doses (10 μg) of plasma derived HBV vaccine were given to 49 newborn infants of e‐antigen negative HBs Ag carrier mothers at birth, one and 6 months of age. The protective efficacy rate was 100% during first 2 years. At 3 years of age, HBs Ag carrier was 2.63% and 89.48% of infants had anti‐HBs above the protective level. Ten point fifty‐two percent of total infants had anti‐HBs level below 10 mIU/ml and 21.05% had anti‐HBs level between 10–100 mIU/ml. Most infants who had the maximal level of antibody below 100 mIU/ml had lost all antibody within 3 years. The loss of antibody was closely related to the maximal anti‐HBs titer (one year of age) which is highly predictive indicator of the longevity of anti‐HBs. © 1989 Japanese Society of Obstetrics and Gynaecology |
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