Volume 19, Number 1—January 2013
Research
Novel Framework for Assessing Epidemiologic Effects of Influenza Epidemics and Pandemics
Carrie Reed
, Matthew Biggerstaff, Lyn Finelli, Lisa M. Koonin, Denise Beauvais, Amra Uzicanin, Andrew Plummer, Joe Bresee, Stephen C. Redd, and Daniel B. Jernigan
, Matthew Biggerstaff, Lyn Finelli, Lisa M. Koonin, Denise Beauvais, Amra Uzicanin, Andrew Plummer, Joe Bresee, Stephen C. Redd, and Daniel B. JerniganTable 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 |
