PubMed · 7933461
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1994. Hepatitis viruses.. https://pubmed.ncbi.nlm.nih.gov/7933461/
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On July 8,1999, the American Academy of Pediatrics (AAP) and the U.S. Public Health Service (PHS) jointly recommended reducing infant exposure to thimerosal, a commonly used vaccine preservative that contains mercury. Specific recommendations were made to postpone the first hepatitis B vaccine dose until 2-6 months of age for infants born to hepatitis B surface antigen (HBsAg)-negative (i.e., not hepatitis B virus [HBV]-infected) women. Infants born to HBsAg-positive (i.e., HBV-infected) women, or to women whose HBsAg status was unknown, were recommended to receive postexposure prophylaxis with the first dose of hepatitis B vaccine administered within 12 hours of birth. By mid-September 1999, when adequate supplies of preservative-free hepatitis B vaccine became available, PHS advocated a return to previous infant hepatitis B vaccination practices, including administering the first dose of hepatitis B vaccine to newborns in hospitals that had discontinued the practice. In 2000, preliminary assessments of the impact of these policy changes on routine hepatitis B vaccination practices were conducted by public health officials in Wisconsin, Oklahoma, Oregon, and Michigan. This report summarizes the results of these analyses, which indicate that many hospitals in Wisconsin have not reinstated policies to ensure routine administration of hepatitis B vaccine to newborns despite the availability of preservative-free hepatitis B vaccine, that the number of hepatitis B vaccine doses given to newborns in Oklahoma and Oregon has declined, and that an unvaccinated Michigan infant died from fulminant hepatitis B. Restoring routine newborn hepatitis B vaccination practices may require active advocacy by professional and government groups.