Abstract
A long-term immunogenicity study of a single dose live attenuated H2 strain hepatitis A vaccine is being conducted in healthy Indian children at KEM Hospital, Pune. 131 of the original 143 children vaccinated in 2004, were evaluated for anti-HAV antibodies 30 months post vaccination (2007). Seroprotective antibody levels >20 mIU/mL were demonstrated in 87.8 % subjects with an overall GMT of 92.02 mIU/mL. No hepatitis like illness was recorded in any of the subjects since vaccination.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Adolescent
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Antibodies, Viral / blood
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Child
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Child, Preschool
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Female
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Hepatitis A / blood
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Hepatitis A / immunology*
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Hepatitis A / prevention & control*
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Hepatitis A Vaccines / administration & dosage*
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Hepatitis A Vaccines / immunology*
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Humans
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Immunization Schedule
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India
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Male
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Seroepidemiologic Studies
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Vaccines, Attenuated / administration & dosage
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Vaccines, Attenuated / immunology
Substances
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Antibodies, Viral
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Hepatitis A Vaccines
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Vaccines, Attenuated