Understanding Your Baby’s Vaccination Schedule in Australia
Vaccination is one of the most effective and safest ways to protect children from serious, preventable diseases. In Australia, the National Immunisation Program provides a free, structured schedule of vaccines designed to protect babies from birth through to early school age. This schedule not only starts before your baby is born but also ensures that they receive timely protection against a range of illnesses.
When Do Vaccinations Start?
Your baby’s first immunisation happens shortly after birth with a hepatitis B vaccine. From there, vaccines are given at specific intervals:
- 6 weeks
- 4 months
- 6 months
- 12 months
- 18 months
- 4 years
These vaccines are free under the National Immunisation Program and are available through GPs, community health centres, and local council clinics.
At the 6-week, 4-month, and 6-month visits, babies receive combination vaccines that protect against multiple diseases, including:
- Diphtheria
- Tetanus
- Whooping cough (pertussis)
- Polio
- Hepatitis B
- Haemophilus influenzae type b (Hib)
- Pneumoccal disease
- Rotavirus (a common cause of gastro)
Why So Early?
Experts recommend starting vaccinations at 6 weeks because babies are most vulnerable in the early months of life—particularly to whooping cough, which can be very serious in newborns. At this age, babies have no developed immunity of their own, so early protection is essential while their immune systems are still building.
What Happens at Later Stages?
As babies grow, further vaccines are given to strengthen and extend protection:
- 12 months: Measles, mumps and rubella (MMR), Meningococcal ACWY, Pneumococcal booster
- 18 months: MMRV (measles, mumps, rubella, varicella/chickenpox), DTPa booster (diphtheria, tetanus, whooping cough), Hib booster
- 4 years: DTPa-IPV (diphtheria, tetanus, pertussis, polio), MMR catch-up (if not already given)
What Else Can Parents Do?
Protection doesn’t stop with baby’s injections. Pregnant women are encouraged to receive a whooping cough booster in the third trimester. Partners, grandparents, and close carers should also be vaccinated or up to date with boosters. This creates a protective “cocoon” around newborns who are too young to be fully immunised.
A meningococcal B vaccine is also available in Australia. It is not currently part of the universal free schedule for all babies, but may be recommended for higher-risk groups or chosen privately.
How Do Vaccines Work?
Vaccines introduce a small, safe part of a virus or bacteria to the immune system. This doesn’t cause illness, but it trains the body to recognise and fight the disease in future. If your child later comes into contact with the real infection, their immune system is already prepared to respond quickly and reduce the risk of serious illness.
Is Immunisation Compulsory?
No. Vaccination is not legally required in Australia. However, it is strongly recommended by health authorities and is linked to eligibility for certain government payments, including the Child Care Subsidy and Family Tax Benefit Part A. Parents who choose not to vaccinate may need to submit a conscientious objection form with the Australian Immunisation Register to access some benefits.
Health experts also note that delaying or skipping vaccines can increase the risk of preventable illness, both for individual children and the wider community.
Three Key Reasons Parents Choose to Vaccinate
- Protection: Vaccines help prevent serious and sometimes life-threatening diseases
- Safety: Vaccines are rigorously tested, with side effects typically mild and short-lived (such as soreness or mild fever)
- Community Health: Vaccination helps protect babies, elderly people, and those who cannot be immunised
The 2026 Australian National Immunisation Schedule
- Birth: Hepatitis B
- 6 weeks: DTPa, hepatitis B, polio, Hib, Pneumococcal, Rotavirus
- 4 months: DTPa, hepatitis B, polio, Hib, Pneumococcal, Rotavirus
- 6 months: DTPa, hepatitis B, polio, Hib, Pneumococcal, Rotavirus (brand-dependent)
- 12 months: MMR, Meningococcal ACWY, Pneumococcal booster
- 18 months: MMRV, DTPa booster, Hib booster
- 4 years: DTPa-IPV, MMR (if required)
For the most up-to-date information tailored to your state or territory, visit the Australian Government Immunisation website or speak with your GP or child health nurse.
