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Paeds Topicspreventive-and-community-paediatrics

Paeds · preventive-and-community-paediatrics

Immunisation principles and national schedule comparison

Also known as Childhood immunisation schedule · National immunisation programme · Vaccine schedule principles · Herd immunity children · ACIP childhood schedule

Fellowship guide to immunisation principles and national schedule comparison: vaccine platforms, valid doses, herd immunity, visit algorithms, birth-to-adolescent architecture, and ANZ/UK/US/Canada programme differences without duplicating catch-up, AEFI or hesitancy chapters.

high40 referencesUpdated 11 July 202615 min readVerification in progress

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Target exams

RACP General PaediatricsRACP DWERACP DCEMRCPCH TheoryMRCPCH ClinicalABP General PediatricsRCPSC Pediatrics

Red flags

  • Missed hepatitis B birth dose in a neonate at risk of perinatal transmission
  • Counting invalid early doses as series completion
  • Cold-chain breach with stock still being used
  • Anaphylaxis kit missing in the vaccination bay
  • Live vaccine given too soon after another non-same-day live vaccine
  • Assuming parent recall equals register truth in an outbreak
  • Deferring all antigens for mild illness and creating missed opportunities

Life stages

fetalneonateinfanttoddlerpreschoolschool-ageadolescentyoung-adult-transition

Care settings

preventive-medical-homecommunity-schooloutpatientdelivery-roomwarded-acuterural-remotetelehealth

Clinical exam formats

written-onlyracp-dce-long-caseracp-dce-short-casemrcpch-history-managementmrcpch-communicationrcpsc-structured-oral

Board mappings

  • General and Community Paediatrics
  • Infectious Diseases and Immunisation
  • Current 2026 PREP curriculum — Learning Objective related to preventive health and immunisation in general paediatrics
  • Renewed curriculum for first-year trainees from 2027 — Learning goal 6: Clinical management – essential general paediatrics
  • Renewed curriculum for first-year trainees from 2027 — Learning goal 12: Communication with patients, families, and health professionals
  • Renewed curriculum for first-year trainees from 2027 — Learning goal 15: Essential general paediatrics
  • Infectious Diseases
  • Clinical Applications
  • Long Cases
  • Short Cases
  • 2. Professional skills and knowledge: Communication
  • 4. Professional skills and knowledge: Patient management
  • 5. Health promotion and illness prevention
  • 7. Patient safety, including safe prescribing
  • Foundation of Practice (FOP)
  • Applied Knowledge in Practice (AKP)
  • History
  • Communication
  • Clinical
  • General Pediatrics Content Outline — Domain 1: Preventive Pediatrics/Well-Child Care
  • General Pediatrics Content Outline — Domain 9: Infectious Diseases
  • General Pediatrics EPA 1: Provide a Medical Home for Well Children of All Ages
  • General Pediatrics EPA 3: Provide Well-Child Care and Anticipatory Guidance
  • Patient Care 1: History and Physical Examination
  • Patient Care 5: Patient Management
  • Medical Knowledge 1: Clinical Reasoning
  • Systems-Based Practice 3: System Navigation for Patient Centered Care – Coordination of Care
  • Health Advocate
  • Medical Expert
  • Communicator
  • Pediatrics: Foundations EPA — Providing well-child care including immunisation assessment
  • Pediatrics: Core EPA — Managing preventive care across the paediatric age spectrum
On this page
Study tools

Your progress

Saved on this device.

Practise this topic

  • Short-answer question1
  • Viva station1
  • Clinical case1

Target exams

RACP General PaediatricsRACP DWERACP DCEMRCPCH TheoryMRCPCH ClinicalABP General PediatricsRCPSC Pediatrics

Red flags

  • Missed hepatitis B birth dose in a neonate at risk of perinatal transmission
  • Counting invalid early doses as series completion
  • Cold-chain breach with stock still being used
  • Anaphylaxis kit missing in the vaccination bay
  • Live vaccine given too soon after another non-same-day live vaccine
  • Assuming parent recall equals register truth in an outbreak
  • Deferring all antigens for mild illness and creating missed opportunities

Life stages

fetalneonateinfanttoddlerpreschoolschool-ageadolescentyoung-adult-transition

Care settings

preventive-medical-homecommunity-schooloutpatientdelivery-roomwarded-acuterural-remotetelehealth

Clinical exam formats

written-onlyracp-dce-long-caseracp-dce-short-casemrcpch-history-managementmrcpch-communicationrcpsc-structured-oral

Board mappings

  • General and Community Paediatrics
  • Infectious Diseases and Immunisation
  • Current 2026 PREP curriculum — Learning Objective related to preventive health and immunisation in general paediatrics
  • Renewed curriculum for first-year trainees from 2027 — Learning goal 6: Clinical management – essential general paediatrics
  • Renewed curriculum for first-year trainees from 2027 — Learning goal 12: Communication with patients, families, and health professionals
  • Renewed curriculum for first-year trainees from 2027 — Learning goal 15: Essential general paediatrics
  • Infectious Diseases
  • Clinical Applications
  • Long Cases
  • Short Cases
  • 2. Professional skills and knowledge: Communication
  • 4. Professional skills and knowledge: Patient management
  • 5. Health promotion and illness prevention
  • 7. Patient safety, including safe prescribing
  • Foundation of Practice (FOP)
  • Applied Knowledge in Practice (AKP)
  • History
  • Communication
  • Clinical
  • General Pediatrics Content Outline — Domain 1: Preventive Pediatrics/Well-Child Care
  • General Pediatrics Content Outline — Domain 9: Infectious Diseases
  • General Pediatrics EPA 1: Provide a Medical Home for Well Children of All Ages
  • General Pediatrics EPA 3: Provide Well-Child Care and Anticipatory Guidance
  • Patient Care 1: History and Physical Examination
  • Patient Care 5: Patient Management
  • Medical Knowledge 1: Clinical Reasoning
  • Systems-Based Practice 3: System Navigation for Patient Centered Care – Coordination of Care
  • Health Advocate
  • Medical Expert
  • Communicator
  • Pediatrics: Foundations EPA — Providing well-child care including immunisation assessment
  • Pediatrics: Core EPA — Managing preventive care across the paediatric age spectrum
The fellowship answer

Immunisation protects one child and, when coverage is high, slows transmission to others. Schedules are age-timed antigen plans built on platform science, valid minimum ages and intervals, and simultaneous dosing where safe. Check the card and the register, give due antigens today when rules allow, document and report every dose, and never invent another country's calendar from memory. Catch-up tables, true contraindications and hesitancy counselling sit on sibling pages—own the principles here. [1] [4]

Overview & Definition

A parent holds a six-week-old and asks why so many needles at once. The short clinical answer is this: early life is when several serious infections can kill or disable, and the infant immune system needs a planned series of exposures to build durable memory before those risks peak. That planned series is the immunisation schedule. [4] [1]

Vaccination is the act of giving a vaccine. Immunisation is the protected state that follows a successful response. Examiners notice when candidates swap the words carelessly. Active immunisation teaches the child's own immune system. Passive protection uses transferred antibody—maternal antibody, immunoglobulin products, or some monoclonal antibodies—and is temporary. [4] [1]

A national immunisation programme funds and organises who gets which antigens at which ages in ordinary care. It is not the same as a single product label, and it is not the same as school-entry paperwork alone. Programmes change as epidemiology and products change. Your job is to know the principles that survive those updates. [1]

Two jobs of every schedule

Every schedule does two jobs at once. It protects the child in front of you. It also builds population coverage so measles and other high-transmission diseases cannot race through a community. Fail either job and the system looks busy but still fails. [1] [3]

What you do at a routine immunisation visit

  1. 1

    Confirm identity and records

    Match the child to the immunisation card and the official register entry.

  2. 2

    Ask what is due now

    Use age, prior valid doses and minimum intervals—not parent memory alone.

  3. 3

    Screen only real barriers

    True contraindications and acute instability differ from mild snuffles.

  4. 4

    Give due antigens together when rules allow

    Same-day dosing reduces missed opportunities for busy families.

  5. 5

    Observe, document, report, recall

    Batch, site, route, register notification and next due date close the loop.

[4] [1]
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References40ShowHide
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  2. [2]Fine PE Herd immunity: history, theory, practice Epidemiol Rev, 1993.PMID 8174658
  3. [3]Anderson RM Immunisation and herd immunity Lancet, 1990.PMID 1969023
  4. [4]National Center for Immunization and Respiratory Diseases General recommendations on immunization --- recommendations of the Advisory Committee on Immunization Practices (ACIP) MMWR Recomm Rep, 2011.PMID 21293327
  5. [5]Wodi AP Advisory Committee on Immunization Practices Recommended Immunization Schedule for Children and Adolescents Aged 18 Years or Younger - United States, 2024. MMWR. Morbidity and mortality weekly report, 2024.PMID 38206855
  6. [6]Wodi AP Advisory Committee on Immunization Practices Recommended Immunization Schedule for Children and Adolescents Aged 18 Years or Younger - United States, 2023. MMWR. Morbidity and mortality weekly report, 2023.PMID 36757872
  7. [7]Wodi AP Advisory Committee on Immunization Practices Recommended Immunization Schedule for Children and Adolescents Aged 18 Years or Younger - United States, 2021. MMWR. Morbidity and mortality weekly report, 2021.PMID 33571172
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  9. [9]Tulchinsky TH Measles control in developing and developed countries: the case for a two-dose policy. Bulletin of the World Health Organization, 1993.PMID 8440043
  10. [10]Colburn NE Measles - Resurgence of an Old Foe. The Medical clinics of North America, 2025.PMID 40185555
  11. [11]Kiang MV Modeling Reemergence of Vaccine-Eliminated Infectious Diseases Under Declining Vaccination in the US. JAMA, 2025.PMID 40272967
  12. [12]Amirthalingam G Effectiveness of maternal pertussis vaccination in England: an observational study. Lancet (London, England), 2014.PMID 25037990
  13. [13]Gkentzi D Maternal vaccination against pertussis: a systematic review of the recent literature. Archives of disease in childhood. Fetal and neonatal edition, 2017.PMID 28468899
  14. [14]Schillie S Prevention of Hepatitis B Virus Infection in the United States: Recommendations of the Advisory Committee on Immunization Practices. MMWR. Recommendations and reports : Morbidity and mortality weekly report. Recommendations and reports, 2018.PMID 29939980
  15. [15]Cortese MM Prevention of rotavirus gastroenteritis among infants and children: recommendations of the Advisory Committee on Immunization Practices (ACIP). MMWR. Recommendations and reports : Morbidity and mortality weekly report. Recommendations and reports, 2009.PMID 19194371
  16. [16]Petrosky E Use of 9-valent human papillomavirus (HPV) vaccine: updated HPV vaccination recommendations of the advisory committee on immunization practices. MMWR. Morbidity and mortality weekly report, 2015.PMID 25811679
  17. [17]Meites E Human Papillomavirus Vaccination for Adults: Updated Recommendations of the Advisory Committee on Immunization Practices. MMWR. Morbidity and mortality weekly report, 2019.PMID 31415491
  18. [18]Kobayashi M Use of 15-Valent Pneumococcal Conjugate Vaccine Among U.S. Children: Updated Recommendations of the Advisory Committee on Immunization Practices - United States, 2022. MMWR. Morbidity and mortality weekly report, 2022.PMID 36107786
  19. [19]Parikh SR The everchanging epidemiology of meningococcal disease worldwide and the potential for prevention through vaccination. The Journal of infection, 2020.PMID 32504737
  20. [20]Albers AN Invalid Vaccine Doses Among Children Aged 0 to 35 Months: 2011 to 2020. Pediatrics, 2025.PMID 39788151
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