New vaccine information.
D000328:Adult; D019433:Chickenpox Vaccine; D002648:Child; D002675:Child, Preschool; D022362:Hepatitis A Vaccines; D006801:Humans; D017589:Immunization Programs / Q000639:trends; D007223:Infant; D014481:United States; D014761:Viral Hepatitis Vaccines / Q000008:administration & dosage*; D014765:Viral Vaccines / Q000008:administration & dosage*
D019433:Chickenpox Vaccine; D022362:Hepatitis A Vaccines; D014761:Viral Hepatitis Vaccines; D014765:Viral Vaccines