Estimated Influenza Illnesses and Hospitalizations Averted by Vaccination — United States, 2013–14 Influenza Season

The Advisory Committee on Immunization Practices recommends annual influenza vaccination for all persons aged ≥6 months to reduce morbidity and mortality caused by influenza in the United States. CDC previously developed a model to estimate that annual influenza vaccination resulted in 1.1-6.6 milli...

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Bibliographic Details
Published in:MMWR. Morbidity and mortality weekly report 2014-12, Vol.63 (49), p.1151-1154
Main Authors: Reed, Carrie, Kim, Inkyu Kevin, Singleton, James A., Chaves, Sandra S, Flannery, Brendan, Finelli, Lyn, Fry, Alicia, Burns, Erin, Gargiullo, Paul, Jernigan, Daniel, Cox, Nancy, Bresee, Joseph
Format: Article
Language:English
Subjects:
Adolescent
Adult
Adults
Age Distribution
Age groups
Aged
Child
Child, Preschool
Diseases
Health outcomes
Hospitalization
Hospitalization - statistics & numerical data
Hospitalization rates
Humans
Immunization
Infant
Influenza
Influenza vaccines
Influenza Vaccines - administration & dosage
Influenza, Human - epidemiology
Influenza, Human - prevention & control
Medical research
Medicine, Experimental
Middle Aged
Population estimates
Seasons
United States - epidemiology
Vaccination
Young Adult
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Summary:The Advisory Committee on Immunization Practices recommends annual influenza vaccination for all persons aged ≥6 months to reduce morbidity and mortality caused by influenza in the United States. CDC previously developed a model to estimate that annual influenza vaccination resulted in 1.1-6.6 million fewer cases and 7,700-79,000 fewer hospitalizations per season during the 2005-2013 influenza seasons. For the 2013-14 influenza season, using updated estimates of vaccination coverage, vaccine effectiveness, and influenza hospitalizations, CDC estimates that influenza vaccination prevented approximately 7.2 million illnesses, 3.1 million medically attended illnesses, and 90,000 hospitalizations associated with influenza. Similar to prior seasons, fewer than half of persons aged ≥6 months are estimated to have been vaccinated. If influenza vaccination levels had reached the Healthy People 2020 target of 70%, an estimated additional 5.9 million illnesses, 2.3 million medically attended illnesses, and 42,000 hospitalizations associated with influenza might have been averted. For the nation to more fully benefit from influenza vaccines, more effort is needed to reach the Healthy People 2020 target.
ISSN:0149-2195
1545-861X