| Discretionary | a) Known Exposure:
If it is more than 4 months from the date of exposure, samples can be taken for HBV and anti-HBc testing. No donation should be taken.
b) No Known Exposure:
If it is more than 7 days from the date of the most recent dose of vaccine, accept
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| Post-session review of results | a) If the donor is negative for HBV and Anti-HBc, the donor can be accepted. Additional hepatitis B testing is not required for future donations unless the donor discloses a new risk.
b) If any of HBsAg, anti-HBc or HBV DNA are positive, refer to Section 1: Active or recovered hepatitis B infection
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| Additional Information | Specific HBV immunoglobulin may be used in the management of individuals who have been exposed to hepatitis B.
Administration of hepatitis B vaccine can lead to low level reactivity in HBsAg screening assays. For this reason, donors must be deferred until at least 7 days after receiving a dose of vaccine, even if they have not been exposed to HBV.
Hepatitis B vaccine is sometimes given in a combined vaccine with hepatitis A vaccine. |