Seasonal vs pandemic flu vaccine coverage
In France, seasonal influenza coverage stayed near 21% while pandemic H1N1 coverage was only about 11%.
Source
Influenza vaccination coverage against seasonal and pandemic influenza and their determinants in France: a cross-sectional survey
Study at a glance
- Design
- Cross-sectional — Retrospective telephone survey of French mainland population on seasonal and pandemic vaccine uptake
- N
- N=10091 · 10,130 randomly selected; 10,091 included; 8,905/15,983 households responded (55.7%)
- Population
- Random sample of mainland France population
- Outcome
- Seasonal and 2009 pandemic influenza vaccination coverage
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Seasonal vs pandemic flu vaccine coverage
These passages occur verbatim in the stored paper text. They support the points listed below; they do not verify every statement in the explanation.
Household response rate was 55.7%.
Among the 15,983 households eligible for the survey, 8,905 accepted to participate (response rate: 55.7%).
Seasonal IVC was 20.6% and 20.8%.
Overall seasonal IVC remained stable within the population from the 2008-2009 season to the 2009-2010 season, reaching 20.6% and 20.8% respectively (Table ).
What they did
A retrospective cross-sectional telephone survey estimated influenza vaccination coverage for seasonal seasons and the 2009 pandemic vaccine, and examined uptake determinants.
What they found
Seasonal coverage was about 20.6–20.8% overall and about 55% among at-risk people. Pandemic coverage was 11.1% overall; older adults had high seasonal but low pandemic uptake.
The limits
What it doesn't show
Self-reported vaccination and incomplete household response can bias estimates. Cross-sectional correlates are not causal.
Key terms
- IVC
- Influenza vaccination coverage.
- Pandemic vaccine
- Vaccine targeting 2009 A(H1N1).
- At-risk individuals
- People with age or comorbidity indications.
- Cross-sectional survey
- One-time population sample of coverage.
- HCW
- Health-care workers.
- Response rate
- Share of eligible households that participated.
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Pandemic IVC overall ~:
Common questions
Seasonal overall coverage?
About 21%.
Pandemic coverage?
About 11.1%.
At-risk seasonal coverage?
About 55%.
Household response?
55.7%.
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