Published in Hepatitis Weekly, February 23rd, 2004
According to recent research published in the Journal of Medical Virology, "Vaccine-induced hepatitis A antibodies persist up to 10 years in adults, with mathematical models estimating further persistence up to 20-25 years. Thirty-one adults received booster inoculations 12 years after their initial vaccination (Havrix 720 EI.U at months 0, 1, 6). At the time of booster inoculation, all still had detectable antibodies."
"All but one subject met pre-defined criteria for anamnestic response 14 days after the booster, and all...
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