Vaccine - Hepatitis B
Alternate Names : Hepatitis B - Vaccine
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Immunization schedule
Hepatitis B vaccine is given as a series of three injections (shots). The first shot is given to infants shortly after birth. All 3 doses are necessary for the most effective and longest lasting immunity.
If the mother of the infant carries HBV in her blood, the infant needs to receive the first shot shortly after birth. Hepatitis B immune globulin (HBIG) is also given to the baby at that time. The next two shots are given at 2 months of age and then at 6 months of age.
If the mother of the infant does not have evidence of HBV in her blood, the infant may receive the shot anytime prior to leaving the hospital, or it may be deferred until the 4 or 8 week visit to the primary care provider. If given shortly after birth, the second shot is given at 1 to 2 months and the third at 6 months.
For infants who do not receive the first shot until 4 to 8 weeks, the second shot is given at 4 months and the third at 6 to 18 months. In either instance, the 2nd and 3rd shots are given in conjunction with other routine childhood immunizations.
Adolescents who have not been vaccinated should begin the Hepatitis B vaccine series at the earliest possible date.
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