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Volume 19, Number 1—January 2013

Research

Novel Framework for Assessing Epidemiologic Effects of Influenza Epidemics and Pandemics

Carrie ReedComments to Author , Matthew Biggerstaff, Lyn Finelli, Lisa M. Koonin, Denise Beauvais, Amra Uzicanin, Andrew Plummer, Joe Bresee, Stephen C. Redd, and Daniel B. Jernigan

Author affiliation: Centers for Disease Control and Prevention, Atlanta, Georgia, USA

Main Article

Table 3

Indicators of severity and transmissibility from the 2009 influenza (H1N1) pandemic and the corresponding assessment scale

Parameter
Value
Score

Clinical severity

Symptomatic case-fatality ratio, %

0.02 2

Symptomatic case-hospitalization ratio, %

0.05 2

Ratio, deaths: hospitalization, %

4.7 2

Overall



2

Transmissibility

Household secondary attack rate, 
 symptomatic, %

13 3

Symptomatic attack rate, community, %

20 3

Peak % visits for influenza-like illness

7 3

R0: basic reproductive no.

1.4 3

Overall

3

Main Article

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