Background: The aim of this study was to know the prevalence of previous infection markers for hepatitis A and B viruses in a pediatric-juvenile population from Gijón, Spain.
Patients And Methods: A representative (according to the census) transversal randomized sample of a population from 6 to 25 years in age from Gijón, Spain, was included in the study analyzing demographic, epidemiologic and clinical variables, liver tests, anti-HAV IgG and anti-HBc.
Results: Of the 630 individuals selected a demographic error was detected in 28 (4.