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Section Index
7. Hepatitis B “Big Three Positive” and Vaccination
Question: Female, “big three positive” for Hepatitis B. My child is one and a half years old. Tests show negative for systems 1, 3, 4, and 5, with positive surface antibodies, but the test report indicates an ABS value of 0.854 and a quantitative value of 8.138. The doctor says that a quantitative value above 10 is relatively safer, and even if it’s positive, it doesn’t matter. What should I do? Should I continue vaccinating my child to boost antibodies?
Answer: Your child’s second indicator being positive means they already have antibodies, so there’s no need to vaccinate again. In principle, your “big three positive” status is not contagious, so you can live together, share meals, and have close contact with your child without any concerns.
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