A 4-year-old child is overdue for immunisations and has received vaccines only up to 6 months of age. According to the National Immunisation Program schedule, which principle best guides catch-up vaccination?ARestart the schedule from birthBGive all missed vaccines at once regardless of spacingCUse a catch-up schedule to complete age-appropriate vaccines without repeating valid dosesDDelay vaccines until school entryEAdminister half doses initially to reduce adverse effectsCheck my answer