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I am HBsAg-positive and my baby weighed less than 2 kilograms at birth. Is it true that my baby will need four doses of the hepatitis B vaccine instead of three doses?

April 26, 2017baby birth doses hbsag-positive kilograms vaccine weighed

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I am HBsAg-positive and my baby weighed less than 2 kilograms at birth. Is it true that my baby will need four doses of the hepatitis B vaccine instead of three doses?

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Yes. The initial vaccine dose (birth dose) should not be counted in the three-dose schedule. The next dose in the series should be administered when your baby is 1 month old. The third dose should be given 1-2 months after the second dose, and the fourth dose should be given at 6 months of age.