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Home Knowledge Center Wellness Library Hepatitis B: Postvaccination Test for Immunity

Hepatitis B: Postvaccination Test for Immunity

Overview

A postvaccination test for immunity to the hepatitis B virus (HBV) is recommended only if you:

  • Have an impaired immune system. This can be caused by many things, such as infection with HIV or the use of medicines to prevent organ rejection.
  • Are having dialysis for kidney failure.
  • Received the hepatitis B vaccine in the buttock. (The vaccine is less effective when given in the buttock. It is more effective when given in the upper arm.)
  • May come in contact with other people's blood or body fluids as part of your job.
  • Are a sex partner of someone with chronic hepatitis B virus infection.

Infants born to mothers who are infected with HBV should be tested at 9 to 15 months of age.

With the exception of infants, a postvaccination test for immunity, when needed, should be done between 1 and 2 months after a person receives the last dose of vaccine.

This information does not replace the advice of a doctor. Healthwise, Incorporated, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.

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