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Why do parents not re-vaccinate their child for influenza? A prospective cohort study

Louise E Smith1, Richard Amlôt2, John Weinman3

  • 1King's College London, Institute of Psychiatry, Psychology and Neuroscience, United Kingdom.

Vaccine
|May 11, 2020
PubMed

Insights

Parental concerns about severe side-effects from childhood influenza vaccination are linked to lower re-vaccination rates. Addressing parental worry may improve annual influenza immunization coverage for children.

Area of Science:

  • Pediatrics
  • Public Health
  • Immunology

Background:

  • Annual influenza vaccination rates for children in the UK are published, but data on repeat vaccination are lacking.
  • Understanding factors influencing re-vaccination is crucial for maintaining herd immunity and reducing pediatric influenza burden.

Purpose of the Study:

  • To identify factors associated with parents not re-vaccinating their child for influenza in the subsequent season.
  • To inform strategies for improving sustained childhood influenza immunization coverage.

Main Methods:

  • Prospective cohort study involving 270 children vaccinated for influenza in the 2016/17 season.
  • Questionnaires collected data on vaccination, side-effects, and parental worry pre-vaccination and at 3 days and 1 month post-vaccination.
  • Re-vaccination status was assessed at the end of the 2017/18 influenza season for 232 children (85.9% response rate).

Main Results:

  • 17.7% (41 out of 232) of children were not re-vaccinated in the 2017/18 season.
  • Parental reports of severe side-effects (p=.04) and worry about side-effects (p=.05) one month post-vaccination were associated with not re-vaccinating.
  • Limited sample size impacted statistical power for definitive conclusions.

Conclusions:

  • Parental perception of severe side-effects and ongoing worry are significant barriers to childhood influenza re-vaccination.
  • Strategies aimed at reducing parental anxiety regarding vaccine side-effects could enhance annual influenza immunization uptake in children.

Keywords:
Child vaccinationPsychological factorsSide-effects

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