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AASLD 2013: Hepatitis B Vaccine Protection Lasts at Least 30 Years

Hepatitis B vaccination provides long-term protection through 30 years for a majority of recipients, and more than 90% were protected with either initial immunization or a booster, according to a presentation at the 64th AASLD Liver Meeting last week in Washington, DC.

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FDA Rejects Heplisav Hepatitis B Vaccine Seeking More Safety Data

The U.S. Food and Drug Administration (FDA) has declined to approve Dynavax Technologies' experimental hepatitis B virus (HBV) vaccine candidate with a toll-like receptor 9 adjuvant, stating it wants to see further data on safety in adults including seniors, the company announced this week.

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Teens Vaccinated Against Hepatitis B as Infants May Lose Immunity

Adolescents who received combined active-passive hepatitis B virus (HBV) immunization soon after birth may lose "immunological memory" that protects them from future infection, with the HBeAg status of the mother playing a key role, researchers reported in the January 2013 issue of Hepatology.

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HIV+ Less Likely to Respond to Hepatitis B Vaccine, but More Shots Increase Protection

Adults in Kenya responded as well overall to hepatitis B vaccination as people in high-income countries. People with HIV had poorer response, but this could be mostly overcome with repeated doses, according to a study described in the February 1, 2013, Journal of Infectious Diseases.

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FDA Committee Says Heplisav Hepatitis B Vaccine Is Effective, but Safety Data Inadequate

A U.S. Food and Drug Administration (FDA) committee last month concurred that Dynavax's investigational hepatitis B virus (HBV) vaccine Heplisav was effective in preventing infection, but a majority thought there was not enough data to show whether the vaccine is safe.

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