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. 2014 Aug 1;59(3):406-9.
doi: 10.1093/cid/ciu328. Epub 2014 May 6.

Modeling the effect of different vaccine effectiveness estimates on the number of vaccine-prevented influenza-associated hospitalizations in older adults

Alicia M Fry  1 , Inkyu K Kim  2 , Carrie Reed  1 , Mark Thompson  1 , Sandra S Chaves  1 , Lyn Finelli  1 , Joseph Bresee  1
Affiliations

Modeling the effect of different vaccine effectiveness estimates on the number of vaccine-prevented influenza-associated hospitalizations in older adults

Alicia M Fry et al. Clin Infect Dis. .

Abstract

We compared influenza vaccine-prevented hospitalizations in adults aged ≥65 years for a range of hypothetical effectiveness estimates. During 2012-2013, a vaccine with 10% effectiveness (66% coverage) would have averted approximately 13 000 hospitalizations, and a vaccine with 40% effectiveness would have averted approximately 60 000 hospitalizations. Annual vaccination is merited in this vulnerable population.

Keywords: hospitalization; influenza; older adults; vaccine effectiveness.

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