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Immunisation Overview

Immunisation and how it works | Ministry of Health NZ

Immunisation and how it works.
A Ministry of Health and Health Promotion Agency video - transcript available on the Ministry of Health website [1].

Key points to remember about immunisation

  • immunisation protects your child against a range of serious and sometimes fatal diseases
  • immunisation on time is the most effective way to protect pregnant mums, babies and children from preventable disease
  • immunisations begin when your child is 6 weeks old
  • immunisations on the National Immunisation Schedule are free in New Zealand for babies, children and young people until their 18th birthday
  • the benefits of immunisation far outweigh the risks

Why does my child need immunisation?

In the past, diseases such as diphtheria, tetanus and whooping cough killed many children. Today, we use vaccines to immunise children against these and other diseases.

Immunisation has wiped out some of the killer diseases of childhood in New Zealand.

  • tetanus is very rare - although it still happens in children who haven't been immunised
  • New Zealand is free of polio and diphtheria

But, these diseases still exist in other countries.

Watch this video jointly produced by Auckland District Health Board (DHB), Northland DHB, Waitemata DHB and Counties Manukau DHB. A paediatrician briefly talks about the importance of immunisation. The video also features a family talking about their experience of immunisation.

Watch a series of 10 short videos answering your questions about immunisation [2]

Watch some short videos about protecting your child from serious diseases [3]

Current and recent epidemics in New Zealand

There have been epidemics or outbreaks of some diseases in recent years in New Zealand, including:

  • whooping cough (pertussis)
  • measles
  • mumps

The following diseases have also been having a significant impact in our communities:

  • pneumococcal disease
  • chickenpox

Funded vaccines against the following diseases are available for children in New Zealand

  • chickenpox (varicella)
  • diphtheria
  • hepatitis B
  • Haemophilus influenzae type b (Hib)
  • measles
  • mumps
  • pneumococcal disease
  • polio
  • rotavirus
  • rubella
  • tetanus
  • whooping cough (also known as pertussis)
  • human papillomavirus (HPV)

We immunise against these diseases because they can cause serious (and sometimes fatal) illnesses to our children, or cancers later in life, and we have effective immunisations available against them.

Immunisation protects your child. It also protects those most at risk from these diseases. This includes babies who are too young for immunisation or children with weakened immune systems. These babies and children rely on those around them being immunised.

For information on these diseases, see:

  • available immunisations [4] at the Immunisation Advisory Centre (IMAC) website
  • call IMAC on 0800 IMMUNE (0800 466 863), weekdays 9am - 4.30pm

Where to go for immunisation

The practice nurse at your family doctor's surgery can immunise your child.

The National Immunisation Schedule

Immunisation schedule poster [5]

Te whakatō i te kano ārai mate – te ārai tino pai [6]

The National Immunisation Schedule is the series of immunisations that are free for babies, children and teens (and adults). The Schedule lists the immunisations and the age your child can have them.

You can see the current schedule on the Ministry of Health website. [7]

It is important that your child has their full course to ensure continuing strong protection. Children need immunisations on time as delaying them leaves them at unnecessary risk of infection.

Some children may have special requirements. For example, some babies with specific risk factors may be offered:

  • hepatitis B immunisation at birth - for all babies whose mothers have hepatitis B
  • BCG immunisation to protect against tuberculosis
  • meningococcal immunisation for those at increased risk

Discuss your own child's needs with your doctor.

Be there for your baby during immunisations - if you are confident, your baby will be too

After the immunisation, your child may cry for a brief time. This is their way of coping - comfort and hold your child, and talk supportively.

Parents can help decrease anxiety about immunisations in a number of ways.

  • start immunising on time at 6 weeks of age
  • remain calm and relaxed, even when your child becomes upset
  • breastfeeding reduces baby's pain
  • book your appointment early in the day before everyone is tired
  • plan a calm day
  • bring along a stuffed toy or blanket for your child to hold during the immunisation, or use them yourself as a tool for distraction
  • hold your child firmly during the procedure, talking calmly and gently stroking your child's arm or back
  • after the immunisation, your child may cry for a brief time but this is their way of coping - comfort and hold your child, and talk supportively
  • you will need to remain in your doctor's clinic for 20 minutes after the immunisation
  • rather than leave immediately, stay in the clinic until your child has calmed down - this will help your child to remember the clinic as a nice place and will help to make the next visit easier
  • for babies, book your appointment to allow you to feed your child immediately after they have had their immunisation

After immunisation

Reactions to immunisation

Around 1 in 10 children can expect a reaction to an immunisation. The vast majority of these are mild, such as redness on the arm or a grizzly child for a day or two. A reaction is an expected sign that the immune response is building and the vaccine is working. Occasionally, more concerning reactions occur like prolonged crying. Although worrying at the time, research shows there are no long-term problems following such reactions. However, if you are concerned, contact your nurse or doctor.

Very rarely, a serious allergic reaction (anaphylaxis) can happen. This is treatable and occurs very shortly after the injection. This is why you must wait at the clinic for 20 minutes after immunisation. If you are concerned, contact your practice nurse or doctor straightaway.

Paracetamol and immunisation

You don't need to give babies and children paracetamol before immunisation. If your child is miserable or distressed with a fever after immunisation, you can give a dose of paracetamol. You must follow the dosage instructions on the bottle. It is dangerous to give more than the recommended dose.

Using paracetamol around the time of immunisation reduces the immune system response to immunisation when measured in a laboratory. But, there is no evidence that the reduced response decreases protection in children aganist the diseases they were immunised against.

Informed choice

Immunisation is not compulsory in New Zealand but it is a wise parenting choice. There is a lot of information on immunisation and this can be confusing. It's important to check out the source of the material before accepting the conclusions offered. Question critically:

  • is it based on sound evidence?
  • is it up to date information taking the latest research into consideration?
  • does it relate to New Zealand?

Discuss any questions or concerns with your family doctor or practice nurse.

External links and downloads (see the online version for more information at other websites)

Childhood immunisation parent booklet (Ministry of Health) (PDF, 1.1MB) [8]

[9]Detailed information (36-pages booklet) about diseases, infections, immunity, vaccines and immunisation for parents and caregivers.

Immunisation Advisory Centre (IMAC), University of Auckland [10]

See information on a range of diseases, comparing the effects of each disease with the side effects of the relevant vaccine (PDF, 190KB) [11]. You can also read the IMAC immunisation overview [12]. For questions on immunisation, vaccination-preventable diseases or a specific vaccine, you can contact IMAC. Call free on 0800 IMMUNE (0800 466863), weekdays 9am to 4.30pm. 

Immunisation - don't assume you're immune [13]

[14]If you're aged 16 or 17, you'll be thinking about next steps after leaving school. Maybe you are starting uni or another tertiary institute, thinking about a gap year or finding your first job. You may be leaving home. Whatever your plan, now is a good time to check you're up to date with your immunisations. Most are free until you turn 18. Information provided by the Ministry of Health, Immunisation Advisory Centre and the Health Promotion Agency. 

National Immunisation Schedule [15]

The National Immunisation Schedule is the series of immunisations that are offered free to babies, children and adolescents (and adults). The schedule lists the immunisations and the ages your child has them.

National Immunisation Register (NIR) [16]

New Zealand's National Immunisation Register (NIR) records children's immunisations. This helps keep track of what your child has been given and makes sure that when changing doctors, the records move too.
For more information, see:

  • an NIR fact sheet at the Ministry of Health website (PDF, 27KB) [17]
  • questions and answers about the NIR at the Ministry of Health website [18]

Immunisation pages at the Ministry of Health website [19]

Check the Ministry of Health website's immunisation pages for a range of information, including the latest updates to the immunisation schedule.

Immunisation handbook 2020 (Ministry of Health) [20]

The immunisation handbook 2020 provides detailed information for health professionals and may be of interest to those parents who want more comprehensive information.

Consumer medicine information (Medsafe) [21]

In some cases, more information on a particular vaccine is available on the Medsafe website. Go to consumer Medicine Information (CMI).

This page last reviewed 31 May 2021.
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Source URL: https://kidshealth.org.nz/immunisation-overview?language=zh-hant

Links
[1] https://www.health.govt.nz/your-health/healthy-living/immunisation
[2] https://kidshealth.org.nz/immunisation-videos-why-immunise
[3] https://kidshealth.org.nz/immunisation-videos-protecting-your-child-serious-diseases
[4] http://www.immune.org.nz/vaccines/available-vaccines
[5] https://www.healthed.govt.nz/system/files/resource-files/HE1221_Immunise_their%20best%20protection.pdf
[6] https://www.healthed.govt.nz/system/files/resource-files/HE2521_Immunise_their%20best%20protection_Maori%20version.pdf
[7] https://www.health.govt.nz/our-work/preventative-health-wellness/immunisation/new-zealand-immunisation-schedule
[8] https://kidshealth.org.nz/node/1555?language=zh-hant
[9] https://www.healthed.govt.nz/system/files/resource-files/HE1323_Childhood%20immunisation.pdf
[10] https://kidshealth.org.nz/node/1554?language=zh-hant
[11] https://www.immune.org.nz/sites/default/files/resources/Written%20Resources/ConcernComparisonDiseaseVaccineImac20201001V01Final.pdf
[12] https://www.immune.org.nz/immunisation/immunisation-overview
[13] https://kidshealth.org.nz/node/1736?language=zh-hant
[14] http://www.getimmunised.org.nz/
[15] https://kidshealth.org.nz/node/1512?language=zh-hant
[16] https://kidshealth.org.nz/node/1912?language=zh-hant
[17] http://www.health.govt.nz/system/files/documents/pages/national-immunisation-register-factsheet1-aug07.pdf
[18] http://www.health.govt.nz/our-work/preventative-health-wellness/immunisation/national-immunisation-register/questions-and-answers-national-immunisation-register
[19] https://kidshealth.org.nz/node/1557?language=zh-hant
[20] https://kidshealth.org.nz/node/1556?language=zh-hant
[21] https://kidshealth.org.nz/node/1558?language=zh-hant
[22] https://kidshealth.org.nz/contact?from=http%3A%2F%2Fkidshealth.org.nz%2Fprint%2F36%3Flanguage%3Dzh-hant