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Influenza vaccination coverage among children aged 6-23 months - six immunization information system sentinel sites,

K Fredrickson1, R P McLaren, K S Enger

  • 1Arizona Dept of Health Svcs., USA.

MMWR. Morbidity and Mortality Weekly Report
|December 15, 2006
PubMed

Insights

Influenza vaccination coverage for young children varied significantly in 2005-06. Many children aged 6-23 months did not receive the recommended annual flu shots, highlighting a need for improved vaccination efforts.

Area of Science:

  • Pediatric Public Health
  • Vaccinology
  • Epidemiology

Background:

  • The Advisory Committee on Immunization Practices (ACIP) recommended annual influenza vaccinations for children aged 6-23 months starting in the 2004-05 season.
  • Recommendations expanded to include high-risk children, those on aspirin therapy, household contacts of high-risk individuals, and all children aged 24-59 months by 2006.
  • Children under 9 years require two doses of influenza vaccine, separated by at least one month, for full vaccination.

Purpose of the Study:

  • To assess influenza vaccination coverage among children aged 6-23 months during the 2005-06 influenza season.
  • To identify variations in vaccination coverage across different sentinel sites.
  • To evaluate the progress in influenza vaccination coverage compared to the previous season.

Main Methods:

  • Utilized data from six immunization information system (IIS) sentinel sites.
  • Analyzed vaccination coverage rates for children aged 6-23 months during the 2005-06 influenza season.
  • Compared coverage data with the preceding influenza season.

Main Results:

  • Influenza vaccination coverage with at least one dose ranged widely from 6.6% to 60.4% across the six sentinel sites.
  • Coverage increased from the previous season in four of the six sites.
  • Fewer than 23% of children in five of the sites achieved full vaccination status.

Conclusions:

  • Significant disparities in influenza vaccination coverage exist among young children.
  • There is a critical need for enhanced strategies to improve full influenza vaccination rates in children aged 6-23 months.
  • Continued monitoring and targeted interventions are necessary to achieve optimal childhood influenza immunization.

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