
Keywords: دیفتری- تانتانس-کورتوسیس; Vaccine coverage; Timeliness; Infant; Population; Diphtheria-tetanus-pertussis; ACIR; Australian Childhood Immunisation Register; AIR; Australian Immunisation Register; ARIA; Accessibility/Remoteness Index for Australia; DPT; Diptheria-Tetanus-Pertussis;