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July 13, 2005

Effect of Hepatitis A Vaccination Programs

Author Affiliations

Author Affiliations: Centre for the Evaluation of Vaccination, WHO Collaborating Centre for the Prevention and Control of Viral Hepatitis, Department of Epidemiology and Social Medicine, University of Antwerp, Belgium.

JAMA. 2005;294(2):246-248. doi:10.1001/jama.294.2.246

When new vaccines are developed, the epidemiology and pathology of vaccine-preventable infectious diseases are revisited and rewritten. This was true with hepatitis A vaccines more than 10 years ago. Hepatitis A epidemiology shows that an increasing part of the adolescent and adult population in industrialized countries is becoming susceptible to hepatitis A virus infection, as infection in childhood decreases.1-3