"What Is the Value of Combining Hepatitis A Vaccination with Hepatitis B Vaccination?"

According to an abstract submitted by the author to the 17th Annual Meeting of the European Society for Pediatric Infectious Diseases, held May 19-21, 1999, in Crete, Greece, "Hepatitis A and B are common infections worldwide and their severity is related to the individual's age upon initial infection. Furthermore, when hepatitis B infection occurs in infants, the risk of becoming a chronic carrier is 90%. For hepatitis A, the lower incidence of disease arising from an improvement in living conditions leaves a greater number of children, adolescents and young adults susceptible to residual circulating virus. Consequently, initial infection occurs later in life when clinical illness is...

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