| age-specific seroepidemiology of hepatitis a, b, and e infections among children in istanbul, turkey. | this study was performed for evaluation of seroprevalence of hepatitis a, b, and e among children in istanbul, turkey. the study group included 909 children who were 6 months-15 years of age. the children were separated to three age groups: group 1 (6 months-4.9 years; n = 321), group 2 (5.0-9.9 years; n = 318), and group 3 (10.0-15.0 years; n = 270). group i was divided to two subgroups for evaluation of the maternal antibody sera (6 months-2 years and over 2 years). serum igg anti-hav, anti-hb ... | 2001 | 11599687 |