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The Australian Immunisation Register National due and overdue rules for immunisationVersion 2.0 September 2018

ContentsAbbreviations 2Definitions 2Overview 3The National Immunisation Program 3The Australian Immunisation Handbook 3The national due and overdue rules for immunisation 3Determining immunisation status 3The due and overdue concept 4General outline of the rules 4Timing issues 4National Immunisation Program Schedule, Australia 5Vaccines included in the AIR assessment of immunisation status 6Diphtheria—detailed rules 7Haemophilus influenzae type B (Hib)—general notes 8Haemophilus influenzae type B (Hib)—detailed rules Hib pathway A 8Haemophilus influenzae type B (Hib)—detailed rules Hib pathway B 9Hepatitis B—general notes 10Hepatitis B—detailed rules 10Human papillomavirus (HPV) - detailed rulesMeasles—detailed rules

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Meningococcal —detailed rules 12Mumps—detailed rules 13Pertussis—detailed rules 13Pneumococcal conjugate—detailed rules 15Pneumococcal polysaccharide—detailed rules 15Poliomyelitis—detailed rules 16Rotavirus—general notes 17Rotavirus—detailed rules 17Rubella—detailed rules 17Tetanus—detailed rules 18Varicella—detailed rules 19Zoster—detailed rule 19

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Abbreviations AIR Australian Immunisation RegisterHib Haemophilus influenzae type bNHMRC National Health and Medical Research Council NIP National Immunisation Program The Handbook Australian Immunisation Handbook

Definitions Antigen component Part of the vaccine to which an immune response is directed. Birth dose A dose of hepatitis B vaccine given between birth and seven days of age. Combination vaccine A vaccine containing antigen components of more than one disease. Handbook The NHMRC approved Australian Immunisation Handbook (latest edition). Hib pathway A A primary course of three Hib doses due at two, four and six months of age, followed by a booster at 18 months of age. Hib pathway B A primary course of two Hib doses due at two and four months of age, followed by a booster at 18 months of age. Immunisation The process of inducing immunity to a disease, caused by an infectious agent, by administering a vaccine. Immunisation status The result of immunisation information for a particular individual being forwarded to, and processed by, the AIR. Determination of immunisation status is undertaken at the disease level in a process calculating the specific diseases each individual needs to be vaccinated against. Individual age-based schedule The standard ages given for immunisation according to the NIP Schedule. Routine schedule The vaccines provided under the NIP Schedule. Rejected dose A dose not administered according to the national due and overdue rules. Valid dose A dose administered according to the national due and overdue rules.

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Overview The Australian Immunisation Register (AIR) is a national immunisation database administered by the Department of Human Services. The key functions of the AIR are to:

record details of vaccinations given to people of all ages in Australia,

assist health professionals to increase immunisation rates,

provide useful information to parents about the immunisation details recorded for their child or children,

provide useful information to individuals about the immunisation details recorded for them, and

report immunisation coverage at national, state and local levels which helps to identify areas with low immunisation to assist health planning programs.

The National Immunisation Program The National Immunisation Program (NIP) is an Australian, state and territory government initiative. It provides free vaccines to the Australian community to protect against vaccine preventable diseases. The NIP Schedule details which diseases are vaccinated against at which ages. The AIR aligns with the NIP Schedule by assessing an individual as due or overdue for immunisation according to the vaccines provided under the NIP. A copy of the current NIP Schedule is shown on page 5.

The Australian Immunisation Handbook The National Health and Medical Research Council’s (NHMRC) Australian Immunisation Handbook (the Handbook) provides detailed information for vaccination providers about vaccine choices available and administration of vaccines.

The national due and overdue rules for immunisation The AIR national due and overdue rules for immunisation are available to help health professionals understand how the AIR operates. The Handbook should always be used as a guide to decision making about immunisations.

Determining immunisation statusThe national due and overdue rules for immunisation are used by the AIR to determine an individual’s immunisation status.

Immunisation status is established at the antigen level in a process that calculates the specific diseases each individual needs to be vaccinated against, as outlined in the NIP Schedule. This process identifies the individual’s applicable vaccination schedule according to their date of birth, valid vaccinations recorded, and any records of medical contraindication or natural immunity.

Note: an individual’s immunisation status is the result of information forwarded to, and processed by the AIR. When the AIR receives notification of a vaccination, the vaccine brand name or vaccine description is used to identify the antigen component/s of the vaccine.

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The due and overdue concept Each applicable antigen component of an individual age-based schedule is identified. An individual’s immunisation status is assessed using the detailed rules against each antigen required for an age-based schedule. On the basis of immunisation information forwarded to the AIR, an assessment is made to determine if an individual is due, not due or overdue for immunisation at any given point in time.

For example, a child is three months of age and the AIR has received information that dose one of diphtheria, tetanus, pertussis, polio, pneumococcal (conjugate), Hib, rotavirus and hepatitis B was given at two months of age. For the two month of age schedule, this child is assessed as ‘not due’ for immunisation. For the four month of age schedule, this child is identified as being ‘due’ for immunisation two months after the date of dose one, and overdue three months after the date of dose one.

General outline of the rules A dose is never due or overdue when a later dose has been given. For example, dose one can never be due or

overdue if dose two has been given.

Certain rules apply when giving primary, booster or catch up vaccinations—these are described in the Handbook. The national due and overdue rules include an administrative interpretation of some clinical rules derived from the Handbook. For example, to determine the immunisation status on the AIR, certain vaccines or components of vaccines are considered to be equivalent in these rules. When they are not considered equivalent, individual schedules apply, such as for Hib and rotavirus.

With the exceptions noted in the following paragraph, for the purpose of these rules, all components of vaccines against the same disease are considered equivalent regardless of the source of the vaccine. For example, the diphtheria, tetanus or pertussis components may be contained within ‘Infanrix’ or ‘Tripacel’ (brands of diphtheria, tetanus and acellular pertussis vaccine).

Different Hib vaccines require different pathways. The pathway followed depends on which Hib vaccine is used. Similarly, different rotavirus vaccines require different pathways. For clinical reasons, the Handbook recommends the same vaccine is used throughout a vaccination course. However, there will be occasions when interchanging between pathways occurs (see the general notes and detailed rules for each antigen for more information).

While different hepatitis B vaccines follow different product schedules, the due and overdue rule requirements for hepatitis B are the same.

Timing issues There must be an interval of at least 27 days between successive doses of the same antigen vaccination, for

example, between dose one and dose two of a vaccine containing diphtheria. In some cases (see detailed rules for each antigen) this interval needs to be longer, or there is a minimum age a particular dose can be given.

With the exception of the hepatitis B vaccine, no vaccine on the NIP Schedule may be given before the child reaches one month of age.

For a birth dose of hepatitis B vaccine to be considered valid, it must be given between birth and seven days of age.

The minimum age requirement for the first dose of the combination measles, mumps, rubella vaccine is six months of age. While a child would not usually begin immunisation against measles before 12 months of age, this requirement is in place to cater for special circumstances as described in the Handbook.

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National Immunisation Program Schedule, Australia Valid from 1 July 2018

Age Vaccine

Birth Hepatitis B

Two months Diphtheria, tetanus and acellular pertussisHaemophilus influenzae type b Hepatitis B Inactivated poliomyelitis Pneumococcal conjugate Rotavirus

Four months Diphtheria, tetanus and acellular pertussis Haemophilus influenzae type b Hepatitis B Inactivated poliomyelitis Pneumococcal conjugate Rotavirus

Six months Diphtheria, tetanus and acellular pertussis Haemophilus influenzae type b Hepatitis B Inactivated poliomyelitis

12 months Measles, mumps and rubella Meningococcal conjugate Pneumococcal conjugate

18 months Measles, mumps, rubella and varicellaDiphtheria, tetanus and acellular pertussis Haemophilus influenzae type b

Four years Diphtheria, tetanus and acellular pertussis Inactivated poliomyelitis

10 to 15 years (school programs)

Human papillomavirusDiphtheria, tetanus and acellular pertussis

65 years Pneumococcal polysaccharide

70 years Zoster

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Vaccines included in the AIR assessment of immunisation status Vaccine brand name

Disease components Product schedule

Infanrix Hexa Diphtheria, tetanus, pertussis, hepatitis B, poliomyelitis, Hib

2, 4 and 6 months (Hib pathway A)

Hexaxim Diphtheria, tetanus, pertussis, hepatitis B, poliomyelitis, Hib

2, 4 and 6 months (Hib pathway A)

Pediacel Diphtheria, tetanus, pertussis, poliomyelitis, Hib 2, 4 and 6 months (Hib pathway A) Poliacel Diphtheria, tetanus, pertussis, poliomyelitis, Hib 2, 4 and 6 months (Hib pathway A) Adacel Polio Diphtheria, tetanus, pertussis, poliomyelitis 2, 4, 6 months and 4 yearsBoostrix IPV Diphtheria, tetanus, pertussis, poliomyelitis 2, 4, 6 months and 4 yearsInfanrix-IPV Diphtheria, tetanus, pertussis, poliomyelitis 2, 4, 6 months and 4 years Quadracel Diphtheria, tetanus, pertussis, poliomyelitis 2, 4, 6 months and 4 years Infanrix-HepB Diphtheria, tetanus, pertussis, hepatitis B 2, 4 and 6 months Infanrix Penta Diphtheria, tetanus, pertussis, hepatitis B,

poliomyelitis 2, 4 and 6 months

Tripacel Diphtheria, tetanus, pertussis 18 months Infanrix Diphtheria, tetanus, pertussis 18 months Adacel Diphtheria, tetanus, pertussis Catch up for adolescents aged 10 years

and overBoostrix Diphtheria, tetanus, pertussis Catch up for adolescents aged 10 years

and overADT Booster Diphtheria, tetanus Catch up for adolescents aged 10 years

and overTd Diphtheria, tetanus Catch up for adolescents aged 10 years

and overTet-Tox Tetanus Booster dose every 10 yearsActHib Hib 2, 4, 6, 18 months (Hib pathway A) HibTITER Hib 2, 4, 6, 18 months (Hib pathway A) Hiberix Hib 2, 4, 6, 18 months (Hib pathway A) Comvax Hib, hepatitis B 2, 4, 18 months (Hib pathway B) PedvaxHIB Hib 2, 4, 18 months (Hib pathway B) HBVAX II Hepatitis B Birth dose Engerix B Hepatitis B Birth dose Engerix-B (adult) Hepatitis B Catch up for adolescents aged 11–15

yearsH-V-Vax II (adult) Hepatitis B Catch up for adolescents aged 11–15

yearsIPOL Poliomyelitis (IPV) 2, 4, 6 months and 4 years Polio Sabin Poliomyelitis (OPV) 2, 4, 6 months and 4 years Prevenar 7 Invasive pneumococcal disease (conjugate) 2, 4, 12 months Prevenar 13 Invasive pneumococcal disease (conjugate) 2, 4, 12 months Synflorix Invasive pneumococcal disease (conjugate) 2, 4, 12 and 18 months Rotarix Rotavirus 2 and 4 months RotaTeq Rotavirus 2, 4 and 6 monthsMeningitec Meningococcal C (conjugate) 12 months Menjugate Meningococcal C (conjugate) 12 months NeisVac-C Meningococcal C (conjugate) 12 months Menveo Meningococcal C (conjugate) 12 monthsMenitorix Meningococcal C (conjugate), Hib 12 months (Hib pathway A)Menactra Meningococcal A,C,W,Y (conjugate) 12 monthsNimenrix Meningococcal A,C,W,Y (conjugate) 12 months

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Vaccine brand name

Disease components Product schedule

MMR II Measles, mumps, rubella 12 months Priorix Measles, mumps, rubella 12 months Priorix-Tetra Measles, mumps, rubella, varicella 18 monthsProQuad Measles, mumps, rubella, varicella 18 monthsVarilrix Varicella Zoster (Chickenpox) 18 months Varivax Varicella Zoster (Chickenpox) 18 months Gardasil Human papillomavirus 10 to 15 years (school programs)Gardasil 9 Human papillomavirus 10 to 15 years (school programs) Cervarix Human papillomavirus 10 to 15 years (school programs) Pneumovax 23 Invasive pneumococcal disease (polysaccharide) 65 yearsZostavax Zoster (Shingles) 70 years

Diphtheria—detailed rules Dose one

Where doses one, two, three, four or five of a diphtheria vaccine have not been given, dose one is: due at two months of age, and overdue at three months.

Dose two

Where doses two, three, four or five of a diphtheria vaccine have not been given, dose two is: due two months after dose one, and overdue three months after dose one.

Where dose one has been given before two months of age, dose two is:

due at four months of age, and overdue at five months.

Dose three

Where doses three, four or five of a diphtheria vaccine have not been given, dose three is: due two months after dose two, and overdue three months after dose two.

Dose four

Where doses four or five of a diphtheria vaccine have not been given and dose three was given before 12 months of age, dose four is:

due at 18 months of age, and overdue at 19 months of age.

Where dose three was given after 12 months of age and before 10 years of age, dose four is: due six months after dose three, and overdue seven months after dose three.

Dose four is not needed if three previous doses have been given, and the person is aged 10 years or older.

An interval of at least six months must occur between giving dose three and dose four.

Dose five

Where dose five of a diphtheria vaccine has not been given and dose four was given before three years and six months of age, dose five is:

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due at four years of age, and overdue at four years and one month.

Dose five is not needed if: dose four was given after three years and six months of age, or three previous doses have been given and the person is aged 10 years or older.

An interval of at least six months must occur between giving dose four and dose five.

Haemophilus influenzae type b (Hib)—general notes Hib pathway A is a primary course of three doses due at two, four and six months of age, followed by a booster at 18 months of age. Examples of current vaccine brands that follow pathway A are Infanrix Hexa, Pediacel, Poliacel, Hiberix, HibTITER and ActHIB.

Hib pathway B is a primary course of two doses due at two and four months of age, followed by a booster at 18 months of age. Examples of current vaccine brands that follow pathway B are PedvaxHIB and Comvax.

Hib primary vaccination

For primary vaccination, if a child receives any dose of a Hib pathway A vaccine, then the three dose course for pathway A must be followed rather than the two dose course for pathway B (although vaccines from either the Hib pathway A or Hib pathway B series are interchangeable and either may be used).

Hib booster

For booster doses and in children over 15 months of age, regardless of previous Hib vaccinations, a single dose of any registered Hib vaccine is sufficient.

No Hib vaccine is due or overdue after the child reaches five years of age.

Haemophilus influenzae type b (Hib)—detailed rules Hib pathway APrimary course at two, four and six months of age followed by a booster at 18 months of age

Dose one

Where doses one, two or three of a Hib vaccine have not been given, dose one is: due at two months of age, and overdue at three months.

Dose two

Where doses two, three or four of a Hib vaccine have not been given, dose two is: due two months after dose one, and overdue three months after dose one.

Where dose one has been given before two months of age, dose two is: due at four months of age, and overdue at five months.

No further doses are needed if dose one was given after 15 months of age.

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Dose three

Where doses three or four of a Hib vaccine have not been given, dose three is: due two months after dose two, and overdue three months after dose two.

Dose three is not needed if dose one was given after 12 months of age.

No further doses are needed if dose two was given after 15 months of age.

Dose four

Where dose four of a Hib vaccine has not been given, dose four is: due at 18 months of age, and overdue at 19 months.

Dose four is not needed if: dose one was given after seven months of age, or dose three was given after 15 months of age.

An interval of at least two months must occur between doses three and four.

Note: Dose four must not be given before the child reaches 11 months of age.

Haemophilus influenzae type b (Hib)—detailed rules Hib pathway BPrimary course at two and four months of age followed by a booster at 18 months of age

Dose one

Where doses one or two of a Hib vaccine have not been given, dose one is: due at two months of age, and overdue at three months.

Dose two

Where doses two or three of a Hib vaccine have not been given, dose two is: due two months after dose one, and overdue three months after dose one.



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Dose three

Where dose three of a Hib vaccine has not been given, dose three is: due at 18 months of age or two months after dose two, whichever is later, and overdue at 19 months of age or three months after dose two, whichever is later.

Dose three is not needed if: dose one was given after 12 months of age, or dose two was given after 15 months of age.

An interval of at least two months must occur between doses two and three.

Dose three must not be given before the child reaches 11 months of age.

Hepatitis B—general notes Hepatitis B is not due or overdue after the child has received three valid doses. Three doses of a hepatitis B vaccine, that may or may not include a birth dose, are sufficient to deem a child immunised for hepatitis B. The standard schedule for hepatitis B vaccine, other than when a birth dose has been given, is:

dose one—due at two months of age and overdue at three months dose two—due at four months of age and overdue at five months dose three—due at six months of age and overdue at seven months.

Note: a minimum interval of four months is required between the first dose (may or may not be a birth dose) and the third dose of a hepatitis B vaccine.

Hepatitis B—birth dose rules A dose of hepatitis B vaccine given between birth and seven days of age is considered to be the birth dose. A dose of hepatitis B vaccine reported as the birth dose, given between eight days and one month of age, will be recorded as dose one given early.

Hepatitis B—detailed rules Dose one

Where doses one, two or three of a hepatitis B vaccine have not been given, dose one is: due at two months of age, and overdue at three months.

Dose two

Where doses two and three of a hepatitis B vaccine have not been given and dose one was given before two months of age, dose two is:

due at four months of age, and overdue at five months.

Where dose one was given on or after 11 years of age, dose two is: due four months after dose one, and overdue five months after dose one.

Where dose one was given on or after two months of age, dose two is: due two months after dose one, and

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overdue three months after dose one.

Dose three

Where both a birth dose and dose three of a hepatitis B vaccine have not been given, dose three is: due at six months of age or two months after dose two, whichever is later, and overdue at seven months of age or three months after dose two, whichever is later.

Dose three is not needed if: a birth dose and doses one and two of a hepatitis B vaccine have been given, and dose two was given after

four months of age, or dose one or dose two was given after 11 years of age.

Human papillomavirus (HPV) - detailed rulesDose oneWhere doses one, two or three of a human papillomavirus vaccine have not been given, dose one is:

due at 14 years of age, and overdue at 14 years and six months of age.

Dose two Where doses two or three of a human papillomavirus vaccine have not been given and dose one was given before 15 years of age, dose two is:

due six months after the date of dose one, and overdue 13 months after the date of dose one.

Where doses two or three of a human papillomavirus vaccine have not been given and dose one was given on or after 15 years of age, dose two is:

is due two months after the date of dose one, and overdue three months after the date of dose one.

Dose three Where dose three of a human papillomavirus vaccine has not been given and dose one was given before 15 years of age, and dose two was given less than five months after dose one, dose three is:

due four months after the date of dose two, and overdue five months after the date of dose two.

Dose three is not needed if dose one was given before 15 years of age and dose two was given five months or more after dose one.

Where dose three of a human papillomavirus vaccine has not been given and dose one was given on or after 15 years of age, dose three is:

is due four months after the date of dose two, and overdue five months after the date of dose two.

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Measles—detailed rules A dose of a measles vaccine before 12 months of age is only to be given in special circumstances as described in the Handbook.

Dose one

Where doses one, two or three of a measles vaccine have not been given, dose one is: due at 12 months of age, and overdue at 13 months.

Dose two

Where doses two or three of a measles vaccine have not been given and dose one has been given before 11 months of age, dose two is:

due at 12 months of age, and overdue at 13 months.

Where dose one has been given after 11 months of age, dose two is: due at 18 months of age or one month after dose one, whichever is later, and overdue at 19 months of age or two months after dose one, whichever is later.

Dose three

Where dose three of a measles vaccine has not been given and dose one has been given before 11 months of age, dose three is:

due at 18 months of age or one month after dose two, whichever is later, and overdue at 19 months of age or two months after dose two, whichever is later.

Dose three is not needed if dose one has been given after 11 months of age.

Meningococcal —detailed rules No dose of a meningococcal vaccine is valid before the child reaches six weeks of age.

Dose one

Where doses one, two or three of a conjugate meningococcal vaccine have not been given, dose one is: due at 12 months of age, and overdue at 13 months.

Dose two

Where doses two or three of a conjugate meningococcal vaccine have not been given and dose one was given before eleven months of age, dose two is:

due at 12 months of age, or two months after dose one (whichever is the latest), and overdue at 13 months of age or three months after dose one (whichever is the latest).

Dose two is not needed if dose one was given after 11 months of age.

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Dose three

Where dose three of a conjugate meningococcal vaccine has not been given and both dose one and two were given before eleven months of age, dose three is:

due at 12 months of age or two months after dose two (whichever is the latest), and overdue at 13 months of age or three months after dose two (whichever is the latest).

Dose three is not needed if dose one or two was given after 11 months.

Mumps—detailed rules Dose one

Where doses one, two or three of a mumps vaccine have not been given, dose one is: due at 12 months of age, and overdue at 13 months.

Dose two

Where doses two or three of a mumps vaccine have not been given and dose one was given before 11 months of age, dose two is:


Where dose one was given after 11 months of age, dose two is: due at 18 months of age or one month after dose one, whichever is later, and overdue at 19 months of age or two months after dose one, whichever is later.

Dose three

Where dose three of a mumps vaccine has not been given and dose one was given before 11 months of age, dose three is:



Pertussis—detailed rules Dose one

Where doses one, two, three, four or five of a pertussis vaccine have not been given, dose one is: due at two months of age, and overdue at three months.

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Dose two

Where doses two, three, four or five of a pertussis vaccine have not been given, dose two is: due two months after dose one, and overdue three months after dose one.


Dose two is not needed if dose one was given after 10 years of age.

Dose three

Where doses three, four or five of a pertussis vaccine have not been given, dose three is: due two months after dose two, and overdue three months after dose two.

Dose three is not needed if dose one or dose two was given after 10 years of age.

Dose four

Where doses four or five of a pertussis vaccine have not been given and dose three was given before 12 months of age, dose four is:



Dose four is not needed if dose one, two or three were given after 10 years of age.


Dose five

Where dose five of a pertussis vaccine has not been given and dose four was given before three years and six months of age, dose five is:


Dose five is not needed if: dose four was given after three years and six months of age, or if dose one, two, three or four were given after 10 years of age.


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Pneumococcal conjugate—detailed rules No dose of a conjugate pneumococcal vaccine is due or overdue after the child reaches two years of age.

Dose one

Where doses one, two or three of a pneumococcal vaccine have not been given, dose one is: due at two months of age, and overdue at three months.

Dose two

Where doses two or three of a pneumococcal vaccine have not been given, dose two is: due two months after dose one, and overdue three months after dose one.



Dose three

Where dose three of a pneumococcal vaccine has not been given, dose three is: due at 12 months of age or two months after dose two, whichever is later, and overdue at 13 months of age or three months after dose two, whichever is later.

Dose three is not needed if: dose one was given after seven months of age, or dose two was given after 12 months of age.

Pneumococcal polysaccharide—detailed rules Dose one

Where doses one, two or three of a pneumococcal polysaccharide vaccine has not been given, dose one is:

due at 65 years of age, and overdue at 65 years and 1 month.

Dose two

Where doses two or three of a pneumococcal polysaccharide vaccine has not been given, and dose one was given before 15 years of age, dose two is:


Dose two is not needed if dose one was given on or after 15 years of age.

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Dose three

Where dose three of a pneumococcal polysaccharide vaccine has not been given, and dose one and dose two were given before 15 years of age, dose three is:


Dose three is not needed if dose one or dose two was given on or after 15 years of age.

Poliomyelitis—detailed rulesDose one

Where doses one, two, three or four of a poliomyelitis vaccine have not been given, dose one is: due at two months of age, and overdue at three months.

Dose two

Where doses two, three or four of a poliomyelitis vaccine have not been given, dose two is: due two months after dose one, and overdue three months after dose one.


Dose three

Where doses three or four of a poliomyelitis vaccine have not been given, dose three is: due two months after dose two, and overdue three months after dose two.

Dose four

Where dose four of a poliomyelitis vaccine has not been given and dose three was given before three years and six months of age, dose four is:


Where dose three was given between three years and six months and four years of age, dose four is: due six months after dose three, and overdue seven months after dose three.

Dose four is not needed if: dose three was given after four years of age, or three previous doses have been given and the person is aged 10 years or older.

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Rotavirus—general notes No dose of a rotavirus vaccine is valid if given before the child reaches six weeks of age. Infants should start the course of rotavirus vaccination within the recommended age limits for the first dose—12 or 14 weeks of age depending on the vaccine to be used.

If a child has not received any doses of a rotavirus vaccine by 14 weeks of age, no doses are considered due or overdue.

A course of rotavirus should be completed with vaccines from the same manufacturer where possible. Rotavirus is a course of two doses of rotarix due at two and four months of age. No dose of rotarix is due or overdue after the child reaches 24 weeks of age.

Rotavirus—detailed rules Dose one

Where doses one or two of rotavirus vaccine have not been given, dose one is: due at two months of age, and overdue at three months.

Dose two

Where dose two of rotavirus vaccine has not been given, dose two is: due two months after dose one, and overdue three months after dose one.


Dose two is not needed if dose one was given after 20 weeks of age.

Rubella—detailed rules Dose one

Where doses one, two or three of a rubella vaccine have not been given, dose one is: due at 12 months of age, and overdue at 13 months.

Dose two

Where doses two or three of a rubella vaccine have not been given and dose one was given before 11 months of age, dose two is:


If dose one was given after 11 months of age, dose two is: due at 18 months of age or one month after dose one, whichever is later, and overdue at 19 months of age or two months after dose one, whichever is later.

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Dose three

Where dose three of a rubella vaccine has not been given and dose one was given before 11 months of age, dose three is:



Tetanus—detailed rules Dose one

Where doses one, two, three, four or five of a tetanus vaccine have not been given, dose one is: due at two months of age, and overdue at three months.

Dose two

Where doses two, three, four or five of a tetanus vaccine have not been given, dose two is: due two months after dose one, and overdue three months after dose one.


Dose three

Where doses three, four or five of a tetanus vaccine have not been given, dose three is: due two months after dose two, and overdue three months after dose two.

Dose four

Where doses four or five of a tetanus vaccine have not been given and dose three was given before 12 months of age, dose four is:



Dose four is not needed if three previous doses have been given, and the person is aged 10 years or older.


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Dose five

Where dose five of a tetanus vaccine has not been given and dose four was given before three years and six months of age, dose five is:


Dose five is not needed if: dose four was given after three years and six months of age, or three previous doses have been given and the person is aged 10 years or older.


Varicella—detailed rules Dose one

Where neither dose one nor two of varicella vaccine have been given, dose one is: due at 18 months of age, and overdue at 19 months.

Dose two

Where dose two of varicella vaccine has not been given and dose one was given on or after 14 years of age, dose two is:

due two months after dose one, and overdue three months after dose one.

Dose two is not needed if dose one was given before 14 years of age.

Zoster—detailed rules Dose one

Where dose one of zoster vaccine has not been given, dose one is: due at 70 years of age, and overdue at 70 years and 1 month.

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