3 doctors weighed in:
What is the hepatitis b surface ab; my dropped and I had to get more shots?
3 doctors weighed in

Dr. Dan Fisher
Internal Medicine
2 doctors agree
In brief: Marker of immunity
Surface ab is produced in response to injection of hep b vaccine which contains surface antigen.
Surface antibody is protective against hep b infection. If levels of surface antibody drop too low you are no longer protected against hep b and must be re-immunized.

In brief: Marker of immunity
Surface ab is produced in response to injection of hep b vaccine which contains surface antigen.
Surface antibody is protective against hep b infection. If levels of surface antibody drop too low you are no longer protected against hep b and must be re-immunized.
Dr. Dan Fisher
Dr. Dan Fisher
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