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Post-exposure prophylaxis to hepatitis B virus after a nonoccupational exposure

Post-exposure prophylaxis to hepatitis B virus after a nonoccupational exposure
Vaccination and/or antibody response status of exposed person* Treatment when source patient is:
HBsAg positive/source unknown or not available for testing HBsAg negative
Unvaccinated/nonimmune HBIGΔ × 1; initiate HBV vaccine series Initiate HBV vaccine series
Previously vaccinated, known responder§ No treatment No treatment
Previously vaccinated, known nonresponder§ HBIGΔ × 1 and initiate revaccination¥ or HBIGΔ × 2 No treatment
Previously vaccinated, antibody response unknown Single vaccine booster dose No treatment
If still undergoing vaccination HBIGΔ × 1; complete series Complete series
HBsAg: hepatitis B surface antigen; HBIG: hepatitis B immune globulin; HBV: hepatitis B virus; anti-HBs: antibody to hepatitis B surface antigen; anti-HBc: antibody to hepatitis B core antigen.
* Persons who have previously been infected with HBV are immune to reinfection and do not require post-exposure prophylaxis.
¶ A source is considered HBsAg negative if, at the time of exposure, they are known to have either of the following: anti-HBs ≥10 milli-international units/mL after immunization or resolved HBV (anti-HBs-positive and anti-HBc-positive).
Δ For specific recommendations on dosing and administration of HBIG, refer to the topic that discusses post-exposure prophylaxis after a nonoccupational exposure to HBV and the drug information topic within UpToDate.
Vaccinated with full 3-dose series.
§ Based on information available at presentation. Responder is defined as person with previously documented adequate levels of serum antibody to HBsAg (serum anti-HBs ≥10 milli-international units/mL); nonresponder is a person with previously documented inadequate response to vaccination (serum anti HBs<10 milli-international units/mL). It is recommended that decision-making not be delayed while testing for anti-HBs at presentation.
¥ The option of giving 1 dose of HBIG and reinitiating the vaccine series is preferred for nonresponders who have not completed a second 3-dose vaccine series. For persons who previously completed a second vaccine series but failed to respond, 2 doses of HBIG are preferred.
‡ The need for additional prophylaxis (eg, hepatitis B vaccine and HBIG) depends upon serologic testing performed at the time of the initial evaluation. Refer to the UpToDate topic that discusses post-exposure prophylaxis for HBV.
References:
  1. HIV Clinical Resource. UPDATE: HIV prophylaxis following non-occupational exposure. Available at: http://www.hivguidelines.org/clinical-guidelines/post-exposure-prophylaxis/hiv-prophylaxis-following-non-occupational-exposure/ (Accessed on February 2, 2016). Copyright © 2014 New York State Department of Health AIDS Institute's Clinical Guidelines Development Program.
  2. CDC Guidance for Evaluating Health-Care Personnel for Hepatitis B Virus Protection and for Administering Postexposure Management. MMWR Recomm Rep 2013; 62:1.
  3. Workowski KA, Bolan GA, Centers for Disease Control and Prevention. Sexually transmitted diseases treatment guidelines, 2015. MMWR Recomm Rep 2015; 64:1.
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