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Volume 21, Number 9—September 2015
Emerging Infections Program
Emerging Infections Program

The US Influenza Hospitalization Surveillance Network

Sandra ChavesComments to Author , Ruth Lynfield, Mary Lou Lindegren, Joseph Bresee, and Lyn Finelli
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (S.S. Chaves, J. Bresee, L. Finelli); Minnesota Department of Health, St. Paul, Minnesota, USA (R. Lynfield); Vanderbilt University School of Medicine, Nashville, Tennessee, USA (M.L. Lindegren)

Main Article

Figure 5

Prevented fraction of influenza cases as a result of vaccination, by age group and influenza season, United States, 2005–06 through 2010–11 influenza seasons. Prevented fraction was defined as the proportion of averted outcomes out of potential outcomes in the absence of vaccination (15).

Figure 5. Prevented fraction of influenza cases as a result of vaccination, by age group and influenza season, United States, 2005–06 through 2010–11 influenza seasons. Prevented fraction was defined as the proportion of averted outcomes out of potential outcomes in the absence of vaccination (15).

Main Article

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