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hepatitis B vaccine

 

Definition: originally a formalin-inactivated vaccine prepared from the surface antigen (HBsAg) of the hepatitis B virus; the antigen was formerly obtained from the plasma of human carriers of the virus; today in the U.S., purified HBsAg is now primarily prepared by recombinant DNA technology and is used almost exclusively for immunization.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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