ACIP 2005 HBV Vaccination of Children and Adolescents Not Previously Vaccinated Immunization record reviews should be conducted for: all children aged 11-12 years all children and adolescents <19 years: born in Asia, the Pacific Islands, Africa, or other countries w/ HBsAg prevalence >2% who have at least one parent who was born in these countries Children not previously vaccinated or incompletely