Abstract Background and Objective: Infection with HBV is the most common chronic viral
infection and mortality in children. Prevention of this infection with vaccination is vital. This
study was done to compare the antibody level in post hepatitis B vaccination in children with
12-15 and 21-24 months age. Materials and Methods: This descriptive study was carreid out
on 186 children with 12-15 (group I) and 21-24 (group II) months age who had not infected
with hepatitis B infection in, Bandarabbas Iran during 2009. The parents were HbsAg …

Infection with HBV is the most common chronic viral infection and mortality in children.
Prevention of this infection with vaccination is vital. This study was done to compare the
antibody level in post hepatitis B vaccination in children with 12-15 and 21-24 months age.
This descriptive study was carreid out on 186 children with 12-15 [group I] and 21-24 [group
II] months age who had not infected with hepatitis B infection in, Bandarabbas Iran during
2009. The parents were HbsAg negative, without immunodeficiency diseases and did not …