5 doctors weighed in:
Is the hepatitis b vaccine effective for life?
5 doctors weighed in

Dr. Robert Kwok
Pediatrics
3 doctors agree
In brief: Maybe not
The Hepatitis B Vaccine is 2-3 shots.
Some people may have protective antibodies for life, but many people's antibodies decrease as time goes by. Any person at high risk of contact with blood should get his antibody level checked, and get booster shots if his level is low. High risk persons include anyone with a household member who carries hepatitis b, healthcare workers, first responders, etc...

In brief: Maybe not
The Hepatitis B Vaccine is 2-3 shots.
Some people may have protective antibodies for life, but many people's antibodies decrease as time goes by. Any person at high risk of contact with blood should get his antibody level checked, and get booster shots if his level is low. High risk persons include anyone with a household member who carries hepatitis b, healthcare workers, first responders, etc...
Dr. Robert Kwok
Dr. Robert Kwok
Thank
Dr. Jay Park
Pediatrics
In brief: Up to 2 decades
Long-term studies indicate that Hepatitis B Vaccine provides protection up to 22 years.

In brief: Up to 2 decades
Long-term studies indicate that Hepatitis B Vaccine provides protection up to 22 years.
Dr. Jay Park
Dr. Jay Park
Thank
Get help from a real doctor now
Dr. Marsha Davis
Board Certified, Internal Medicine
24 years in practice
67M people helped
Continue
107,000 doctors available
Read more answers from doctors