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Haemophilus Influenzae Type B (HIB) Catch-up Programme

NHS National Services Scotland ISD Scotland & NHS National Services Scotland

Haemophilus Influenzae Type B (HIB) Catch-up Programme

5 November 2007 - 3 March 2009

A booster dose of Haemophilus influenzae type b (Hib) vaccine was introduced into the routine childhood immunisation programme in September 2006 for all children at 12 months of age (as combined Hib/MenC vaccine). This booster extends protection against Hib through childhood.

A catch-up programme, which ran from 5 November 2007 to 3 March 2009, offered a booster dose of Hib vaccine to a defined cohort of young children who had not previously been offered this additional dose. The eligible group included children born on or between 4 April 2003 and 3 September 2005, who were aged between two years and two months old and four years and seven months old at the start of the catch-up programme. These children were too young to have had a booster as part of an earlier Hib catch-up programme in 2003, and too old to have received the new routine Hib/MenC booster vaccine at 12 months of age following its introduction in September 2006.

Key features of the catch-up programme:

  • for the majority of children in the eligible group, the Hib booster was offered at their scheduled pre-school immunisation appointment, by temporarily changing the pre-school booster vaccine to one that contained an additional Hib component.
  • some older children who had already received their pre-school immunisation, were offered an additional appointment to receive a Hib-containing vaccine.
  • by the end of the catch-up programme, and thereafter, the age at which the pre-school immunisation was routinely offered was reduced and standardised to around 3.5 years of age, in areas where this was not already the case.

This report provides a summary of uptake rates for the catch up programme. The results are based on data extracted from the Scottish Immunisation Recall System (SIRS) during February 2010, allowing analysis based on children who were alive and registered on SIRS at 31 December 2009. This should give a complete picture of immunisations given during the programme, and allows for any late date entry and/or late uptake.

Hib Catch-up Programme Immunisation Uptake

The number of children in Scotland who were eligible for the Hib catch-up programme is 132,955. Of these, the number of children who have been immunised is 116,331 (87.5%).

The table below shows the number and percentage of children who have been immunised, by NHS Board.

NHS Board of Residence No. in Cohort No. immunised % immunised
Ayrshire & Arran 9,332 8,125 87.1
Borders 2,870 2,552 88.9
Dumfries & Galloway 3,628 3,305 91.1
Fife 9,444 8,173 86.5
Forth Valley 7,918 7,180 90.7
Grampian 13,606 11,750 86.4
Greater Glasgow & Clyde 30,725 26,500 86.2
Highland 7,766 6,356 81.8
Lanarkshire 15,750 14,314 90.9
Lothian 20,077 17,948 89.4
Orkney 460 380 82.6
Shetland 587 354 60.3
Tayside 10,046 8,760 87.2
Western Isles 638 549 86.1
Scotland1 132,955 16,331 87.5

1. NHS Argyll & Clyde was dissolved on 31 March 2006 and the administration was split between two sub-areas that now fall under the administration of NHS Greater Glasgow and Clyde and NHS Highland respectively. NHS Board for records from the former NHS Argyll & Clyde is derived from postcode. There are a small number of records which do not have a postcode recorded and therefore for statistical purposes, NHS Board is unknown. These records are included in the Scotland cohort and uptake rates and therefore the sum of the cohorts for all NHS Boards does not equate to the total cohort for Scotland.

The chart below shows the percentage of children who have been immunised, by NHS Board.

NHS Board Chart


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