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Postvaccination serologic testing results for infants aged ≤24 months exposed to hepatitis B virus at birth - United States, 2008-2011.
MedLine Citation:
PMID:  23013723     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
An estimated 25,000 infants are born to hepatitis B surface antigen (HBsAg)-positive women annually in the United States. With no intervention, 40%-90% of these infants will acquire hepatitis B virus (HBV) infection. Approximately 90% of infected infants develop chronic HBV infection, with a 15%-25% risk for premature death from cirrhosis or cancer of the liver. To prevent perinatal HBV transmission, the Advisory Committee on Immunization Practices (ACIP) recommends that infants born to HBsAg-positive women receive postexposure prophylaxis with hepatitis B vaccine (HepB) and hepatitis B immune globulin (HBIG) within 12 hours of birth, and complete the 3-dose HepB series. To determine infant outcomes after postexposure prophylaxis, ACIP recommends postvaccination serologic testing (PVST) at age 9-18 months. To evaluate the implementation of these recommendations, CDC assessed outcomes at age 24 months (through 2011) among infants born to HBsAg-positive women enrolled during 2008-2009 in Enhanced Perinatal Hepatitis B Case Management Projects (EPHBP). Of 4,214 EPHBP-managed infants who completed ≥3 HepB doses, 63.7% had reported PVST results, 13.3% had reported PVST results but infant age was unknown, and 23.0% had no reported PVST results. Of 2,683 infants with PVST results by age 24 months, 93.3% were protected, 1.2% were infected, 3.2% remained susceptible, and 2.3% had indeterminate results. ACIP-recommended postexposure prophylaxis was highly effective among infants who completed vaccination and received PVST. PVST is critical for guiding medical management of infants born to HBsAg-positive women, identifying infants with HBV infection and in need of further care, and monitoring progress toward the elimination of perinatal HBV transmission.
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  MMWR. Morbidity and mortality weekly report     Volume:  61     ISSN:  1545-861X     ISO Abbreviation:  MMWR Morb. Mortal. Wkly. Rep.     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-09-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7802429     Medline TA:  MMWR Morb Mortal Wkly Rep     Country:  United States    
Other Details:
Languages:  eng     Pagination:  768-71     Citation Subset:  IM    
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