HBsAg False Positive

Geoffrey D. Block, MD gdb at med.pitt.edu
Sat Apr 5 13:58:21 EST 1997


Steve Fischer wrote:
> 
> Can anyone tell me:
>         The percentage of false positive reactions on the Hepatitis B Surface
> Antigen Test.
>         If being immunized for Hep B can cause a positive reaction on the HBsAg
> Test
> 
> Thanks


The false positive rate for the antigen is very very low. Successful Hep
B immunization gives you HBsAb (antibody), not antigen, as long as the
test is done a few days to weeks after the last vaccine injection. 

cheers
-- 
___________________________________________

Geoffrey D. Block, MD
Protein Research Laboratory
Department of Surgery
University of Pittsburgh School of Medicine
Pittsburgh, PA  15261
-----
http://www.pitt.edu/~geoff/gdbhome



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