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Safety and immunogenicity of an inactivated hepatitis A candidate vaccine in healthy adult volunteers

Authors
Journal
Vaccine
0264-410X
Publisher
Elsevier
Publication Date
Volume
8
Issue
6
Identifiers
DOI: 10.1016/0264-410x(90)90013-c
Keywords
  • Candidate Vaccine
  • Hepatitis A
  • Elisa
  • Inactivated
Disciplines
  • Medicine

Abstract

Abstract The reactogenicity and immunogenicity of a formaldehyde-inactivated hepatitis A vaccine have been investigated. Three different dose levels of vaccine (180, 360 and 720 ELISA units) were administered to healthy volunteers according to a 0, 1, 2 and 12 month schedule. The vaccine was safe and well tolerated. Reactions observed following vaccination were essentially mild and were not dependent upon the quantity of antigen administered. All subjects had measurable titres of anti-HAV antibodies after the full vaccination course; the immune response to the vaccine was dose-related. Antibody titres in vaccinees at month 13 were between 60- and 190-fold higher than those observed in a group of subjects given anti-HAV immunoglobulin.

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