Does a 4-Year-Old Child Need a Second Dose of Hepatitis B Vaccine If They Haven't Developed Antibodies?

Question

Does a 4-year-old child need to get another dose of the hepatitis B vaccine if they haven’t produced hepatitis B antibodies?

Answer

If the child’s two-step hepatitis B surface antibody test is negative, it indicates they have no immunity to hepatitis B. Therefore, they need to receive a second dose of the hepatitis B vaccine to develop surface antibodies and prevent the disease.

Does a 4-Year-Old Child Need a Second Dose of Hepatitis B Vaccine If They Haven’t Developed Antibodies?

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