"Boost" in vaccine efficacy seen with hepatitis B exposure

Article Abstract:

Hepatitis B virus (HBV) exposure in a substantial number of Alaskan native vaccinees boosts the vaccine's protective effect. This was found in a 10-year study of the native Alaskan population, for whom the virus is endemic, by the Centers for Disease Control and Prevention. According to Lisa R. Bulkow and colleagues, repeated exposure to HBV enhances the duration of the protection accorded by good HBV vaccine coverage and results in increases in anti-hepatitis B levels.

Evaluation, Disease transmission, Native Americans, Native North Americans, Alaska, Hepatitis B vaccine, Hepatitis B vaccines, Hepatitis B virus

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Combination RSAG1/IL-12 vaccine protects against toxoplasmosis in mice

Article Abstract:

Researcher Valerie Letscher-Bru and his colleagues from the Institute de Parasitologie et de Pathologie Tropicale, France and Roche Diagnostics, Switzerland, studied the immune response brought about by Toxoplasma gondii rSAG1 protein in mice. The protein was administered with Interleukin-12 as an adjuvant to the animals which were then challenged four weeks after the last immunization.

Research, Mice, Mice (Rodents), Proteins, Immune system

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