YOUR HEALTH IQ
YOUR HEALTH IQ JOURNEY
PILLAR 1 • PREVENTATIVE HEALTH • LESSON 5 OF 6
4 MIN READ • BEGINNER • PREVENTATIVE IQ
Vaccinations Throughout Life
Vaccination is one of the most effective ways to prevent serious infectious diseases. While many people associate vaccines with childhood, immunisation remains important throughout adulthood. As we age, our immune system changes, new health risks develop and additional vaccines may be recommended. In this lesson you'll learn how vaccines work, why they remain important throughout life and how immunisation protects both you and your community.
Learning Objectives
After completing this lesson, you should be able to:
✅ Explain how vaccines help protect against infectious diseases.
✅ Understand why vaccination recommendations change throughout life.
✅ Recognise the importance of discussing immunisation with your healthcare professional.
How Vaccines Protect You
Vaccines help train your immune system to recognise and respond to harmful bacteria and viruses before they cause serious illness. Rather than waiting for you to become infected, vaccination prepares your immune system in advance so it can respond more quickly and effectively.
Some vaccines prevent infection completely, while others reduce the severity of illness and the risk of serious complications. Vaccination has contributed to the control or elimination of many infectious diseases that were once common causes of illness and death.
Vaccination protects not only the individual but also helps reduce the spread of disease within the community.
Why this matters
Vaccination prepares your immune system before you become exposed, reducing the risk of serious illness and protecting those around you.
Vaccination Across the Lifespan
Immunisation is not a one-time event. Different vaccines are recommended at different stages of life because our health risks change as we age.
Children receive vaccines that protect against serious infections during early life. Adults may require booster doses to maintain protection. Older adults are more vulnerable to infections because the immune system naturally becomes less effective with age.
Pregnancy, travel, certain occupations and chronic medical conditions may also influence which vaccines are recommended.
Regular review of your vaccination history helps ensure your protection remains up to date.
Why this matters
The vaccines you need at age 20 may not be the same as those recommended at age 60 or during pregnancy.
Common Vaccinations for Adults
Many adults are surprised to learn that vaccination continues throughout life.
Depending on your age, health and personal circumstances, your healthcare professional may recommend vaccines such as:
• Influenza
• COVID-19
• Tetanus-containing booster vaccines
• Shingles
• Pneumococcal
• Respiratory syncytial virus (RSV), where recommended
Some vaccines are funded for eligible groups through the National Immunisation Program, while others may be recommended based on individual risk.
Why this matters
Remaining up to date with recommended vaccinations helps reduce your risk of serious illness and hospitalisation.
Protecting Those Around You
Vaccination is not only about protecting yourself. It can also reduce the spread of infectious diseases within families and the wider community.
Some people are unable to receive certain vaccines because of medical conditions or weakened immune systems. Others, including newborn babies, rely on the people around them to reduce the risk of infection.
By remaining up to date with recommended vaccinations, you help protect those who are most vulnerable.
Why this matters
Your vaccination decisions can help protect family members, friends and others who may be at greater risk of serious infection.
Staying Up to Date
Vaccination recommendations continue to evolve as new evidence becomes available and new vaccines are introduced.
Your vaccination history, age, occupation, travel plans, pregnancy status and medical conditions all influence which vaccines may be appropriate.
Discussing immunisation during routine preventive health visits is one of the simplest ways to ensure your protection remains current.
Your Health IQ will help identify vaccinations that may be relevant to your stage of life and encourage you to discuss them with your healthcare professional.
Why this matters
Vaccination is an important part of lifelong preventative healthcare and should be reviewed regularly with your healthcare team.
Key Takeaways
✅ Vaccines help prepare your immune system to fight infection before you become unwell.
✅ Vaccination remains important throughout adulthood, not just during childhood.
✅ Recommended vaccines change with age, health conditions and life circumstances.
✅ Staying up to date with immunisations helps protect both you and your community.
✅ Regular discussions with your healthcare professional help ensure your vaccinations remain current.
Knowledge Check
Question 1
What is the main purpose of a vaccine?
A. To treat an infection after it develops.
B. To prepare the immune system before exposure to an infection.
C. To replace antibiotics.
D. To eliminate every infectious disease.
Question 2
Why do vaccination recommendations change throughout life?
A. Health risks and immune function change with age.
B. Vaccines only work during childhood.
C. Adults no longer need protection from infectious diseases.
D. Vaccination is only recommended before overseas travel.
Question 3
Which of the following may influence the vaccines recommended for an individual?
A. Age.
B. Pregnancy.
C. Medical conditions.
D. All of the above.
Question 4
Why is vaccination important for the wider community?
A. It can reduce the spread of infectious diseases and help protect vulnerable people.
B. It removes the need for good hygiene.
C. It guarantees that nobody will become infected.
D. It is only beneficial for healthcare workers.
Question 5
David is 67 years old and attends his GP for a routine health check. What is the BEST approach?
A. Assume childhood vaccines provide lifelong protection.
B. Review his vaccination history and discuss age-appropriate immunisations with his GP.
C. Wait until he develops an infection before considering vaccination.
D. Only have vaccinations before travelling overseas.
Answers are provided at the end of the downloadable lesson summary.
Lesson Complete
Congratulations! You've completed Lesson 5 of 6 in the Preventative Health pathway.
You're building your Health IQ one lesson at a time.
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Remember
Your Health IQ provides education to help you better understand your health and prepare for discussions with your healthcare team. It does not replace personalised medical advice. If you have symptoms or concerns about your health, please consult your GP or other qualified healthcare professional.