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Abstract

The 2014/15 influenza season was the second season of roll-out of a live attenuated influenza vaccine (LAIV) programme for healthy children in England. During this season, besides offering LAIV to all two to four year olds, several areas piloted vaccination of primary (4–11 years) and secondary (11–13 years) age children. Influenza A(H3N2) circulated, with strains genetically and antigenically distinct from the 2014/15 A(H3N2) vaccine strain, followed by a drifted B strain. We assessed the overall and indirect impact of vaccinating school age children, comparing cumulative disease incidence in targeted and non-targeted age groups in vaccine pilot to non-pilot areas. Uptake levels were 56.8% and 49.8% in primary and secondary school pilot areas respectively. In primary school age pilot areas, cumulative primary care influenza-like consultation, emergency department respiratory attendance, respiratory swab positivity, hospitalisation and excess respiratory mortality were consistently lower in targeted and non-targeted age groups, though less for adults and more severe end-points, compared with non-pilot areas. There was no significant reduction for excess all-cause mortality. Little impact was seen in secondary school age pilot only areas compared with non-pilot areas. Vaccination of healthy primary school age children resulted in population-level impact despite circulation of drifted A and B influenza strains.

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/content/10.2807/1560-7917.ES.2015.20.39.30029
2015-10-01
2024-04-18
http://instance.metastore.ingenta.com/content/10.2807/1560-7917.ES.2015.20.39.30029
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Uptake and impact of vaccinating school age children against influenza during a season with circulation of drifted influenza A and B strains, England, 2014/15
<p class="citation"> <span>Citation style for this article:</span> <span class="meta-value authors"> <a href="/search?value1=Richard+G+Pebody&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Pebody Richard G</a>, <a href="/search?value1=Helen+K+Green&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Green Helen K</a>, <a href="/search?value1=Nick+Andrews&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Andrews Nick</a>, <a href="/search?value1=Nicola+L+Boddington&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Boddington Nicola L</a>, <a href="/search?value1=Hongxin+Zhao&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Zhao Hongxin</a>, <a href="/search?value1=Ivelina+Yonova&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Yonova Ivelina</a>, <a href="/search?value1=Joanna+Ellis&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Ellis Joanna</a>, <a href="/search?value1=Sophia+Steinberger&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Steinberger Sophia</a>, <a href="/search?value1=Matthew+Donati&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Donati Matthew</a>, <a href="/search?value1=Alex+J+Elliot&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Elliot Alex J</a>, <a href="/search?value1=Helen+E+Hughes&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Hughes Helen E</a>, <a href="/search?value1=Sameera+Pathirannehelage&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Pathirannehelage Sameera</a>, <a href="/search?value1=David+Mullett&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Mullett David</a>, <a href="/search?value1=Gillian+E+Smith&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Smith Gillian E</a>, <a href="/search?value1=Simon+de+Lusignan&option1=author&noRedirect=true" class="nonDisambigAuthorLink">de Lusignan Simon</a>, <a href="/search?value1=Maria+Zambon&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Zambon Maria</a></span>. Uptake and impact of vaccinating school age children against influenza during a season with circulation of drifted influenza A and B strains, England, 2014/15. <a href="/content/ecdc">Euro Surveill.</a> 2015;20(39):pii=30029. <a href="https://doi.org/10.2807/1560-7917.ES.2015.20.39.30029" title="doi link" target="_blank">https://doi.org/10.2807/1560-7917.ES.2015.20.39.30029</a> <span class="ES_Article_citation"> <span class="generated">Received</span>: 16 Jun 2015;&nbsp;&nbsp; <span class="generated">Accepted</span>: 09 Sept 2015 </span> </p>
/content/10.2807/1560-7917.ES.2015.20.39.30029
/content/10.2807/1560-7917.ES.2015.20.39.30029
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