What is the schedule for hepatitis B vaccine for adults?
Michael Henderson
Published Mar 04, 2026
What is the schedule for hepatitis B vaccine for adults?
Routine administration schedule for hepatitis B vaccine in adults. The dosing schedule is 0, 1 to 2 months, and 4 to 6 months. There is some flexibility in the schedule, but be sure to keep in mind the minimum intervals between doses: At least four weeks between doses #1 and #2.
How often do you need to be vaccinated for hepatitis B?
Hepatitis B vaccine is given as a two or three dose series, depending on the age that you receive the vaccine. In general, you only need the complete Hepatitis B vaccine series once in a lifetime.
Do adults need a Hep B booster?
“Unless accumulating data show a significant increase in hepatitis B virus infection in adolescents or adults who were vaccinated as children, a policy of booster vaccination in a population should not be recommended,” they write.
Do adults need hepatitis B vaccine?
The Centers for Disease Control and Prevention (CDC) recommends hepatitis B vaccine for all persons 0–18 years of age. CDC also recommends hepatitis B vaccination for all adults who are in risk groups for hepatitis B virus infection, as well as for any adults who want to be protected from hepatitis B.
Do you need all 3 Hep B shots?
Three doses are generally required to complete the hepatitis B vaccine series, although there is an accelerated two-dose series for adolescents age 11 through 15 years.
Is Hep B Vaccine life long?
Studies indicate that immunologic memory remains intact for at least 30 years among healthy people who initiated hepatitis B vaccination at >6 months of age (16). The vaccine confers long-term protection against clinical illness and chronic hepatitis B virus infection.
Do I need a Hep B booster after 5 years?
Those thought to have a continued high risk of infection should consider having a booster after 5 years. Boosters may be needed after exposure to the infection. If you think you have been exposed to hepatitis B please seek medical attention urgently.
How often should adults get hepatitis vaccine?
How and When Do Doctors Give Vaccines? For the hepatitis A vaccine: You should get two doses, given as shots, 6 months apart for complete protection. The virus in the vaccine is killed (inactive).
Are 2 Hep B shots enough?
Doses administered at less than the minimum interval should be repeated. However, a series containing 2 doses of Heplisav-B administered at least 4 weeks apart is valid, even if the patient received a single earlier dose from another manufacturer. How long is hepatitis B vaccine protective?
What happens if I miss my 3rd Hep B vaccine?
If the vaccine series was interrupted after the first dose, the second dose should be administered as soon as possible. The second and third doses should be separated by an interval of at least 8 weeks. If only the third dose is delayed, it should be administered as soon as possible.
How long does Hep B immunity last?
How long does protection from hepatitis B vaccine last? Studies indicate that immunologic memory remains intact for at least 30 years among healthy people who initiated hepatitis B vaccination at >6 months of age (16).