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Influenza vaccination rates in Ontario children: implications for universal childhood vaccination policy

Kathy Moran1, Sarah Maaten, Astrid Guttmann

  • 1Durham Region Health Department and York Region Community and Health Services, Public Health Branch, Ontario, Canada. kathy.moran@york.ca

Vaccine
|May 12, 2009
PubMed

Insights

Ontario

Area of Science:

  • Pediatrics
  • Public Health
  • Epidemiology

Background:

  • Influenza vaccination is crucial for children, especially infants.
  • Ontario offers universal influenza vaccination.
  • Provincial vaccination rates for children vary.

Purpose of the Study:

  • To estimate influenza vaccination coverage in Ontario children (2006-2007).
  • To compare infant (6-23 months) vaccination rates in Ontario with other Canadian provinces.
  • To evaluate the effectiveness of universal vs. targeted vaccination programs.

Main Methods:

  • Telephone survey of 3029 households with 4854 children (6 months-11 years).
  • Data collected on influenza vaccination status for the 2006-2007 season.
  • Comparison of Ontario's rates with published provincial data.

Main Results:

  • Ontario's coverage for children aged 2-11 years was 28.3% (healthy) and 36.8% (chronic conditions).
  • Infant (6-23 months) vaccination coverage in Ontario was 24.0%.
  • Ontario's infant vaccination rate was lower than Nova Scotia, Quebec, Saskatchewan, and Alberta, but similar to Manitoba.

Conclusions:

  • Universal influenza vaccination in Ontario achieved modest coverage in children aged 2-11 years.
  • Targeted vaccination programs in other provinces were more successful for infants (6-23 months).
  • Further strategies may be needed to improve infant influenza immunization rates in Ontario.

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