ReviewFactors associated with uptake of vaccination against pandemic influenza: A systematic review
Section snippets
Background
A new strain of H1N1 influenza (sometimes referred to as swine flu) was identified in Mexico in April 2009 and spread to over 100 countries around the world, causing the World Health Organization (WHO) to declare a global flu pandemic on 11 June 2009. Vaccines based on the new virus (pandemic vaccines) were rapidly developed and introduced progressively between September and December 2009 in more than 75 countries. Many of these countries had default vaccination programmes some of which, based
Methods
Web of Science and PubMed were searched on 23rd and 24th January 2011 with no time period restrictions using the following search terms: Uptake vaccin* pandemic; Intervention vaccin* pandemic; Pre-pandemic vaccin*; Attitudes vaccin* pandemic; Multiple dose vaccin* pandemic; Emotion vaccin* pandemic; Anxiety vaccin* pandemic; Belief vaccin* pandemic; Uptake vaccin* influenza; Uptake vaccin* H1N1; Uptake vaccin* H5N1; Intention vaccin* influenza; Intention vaccin* H1N1; Intention vaccin* H5N1;
Results
The search identified 4051 papers. 37 were retained as meeting the study inclusion criteria (see Fig. 1). Table 1 shows the studies included in the review. Thirty-four studies were about H1N1 vaccination and three were about both H1N1 and seasonal influenza vaccination. Nineteen examined associations with reported intentions to be vaccinated, three examined associations with intentions and behaviour and 15 examined associations with behaviour. Thirty-six studies were quantitative cross
Discussion
It is clear that many of those to whom the vaccine against the H1N1 pandemic influenza was offered were not willing to be vaccinated during the vaccination programmes. Consistent with Protection Motivation Theory, this review has found that both the degree of threat experienced in the 2009 pandemic influenza outbreak and perceptions of vaccination as an effective coping strategy were associated with stronger intentions and higher uptake of vaccination. Appraisal of threat resulted from both
Acknowledgements
Contributors: Dr Alison Bish carried out the review and prepared the article for publishing. Prof Lucy Yardley and Prof Susan Michie contributed to drafts of the article. Prof Angus Nicoll provided expert advice on the vaccination programme and experience across Europe and provided critical comments on the article. All authors have approved the final article. Funding: The UK Department of Health commissioned this research but did not have a role in the decision to publish the work.
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