A 4-year-old child presents for routine care. Parents are unsure about his vaccine status; records suggest he received only the 2-month vaccines and then missed further doses. According to the Canadian Immunization Guide, what is the best approach?ARestart the entire infant series from birth.BUse an age-appropriate catch-up schedule to give missed vaccines without restarting doses that are already valid.CAvoid further vaccination because delayed doses are unsafe.DGive only the vaccines due at 4 years and ignore missed earlier doses.EWait until adolescence to catch up on all vaccines at once.Check my answer