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Volume 15, Number 6—June 2009
Research

Case-based Surveillance of Influenza Hospitalizations during 2004–2008, Colorado, USA

Rosemary Proff, Ken GershmanComments to Author , Dennis Lezotte, and Ann-Christine Nyquist
Author affiliations: University of Colorado Denver, Colorado, USA (R. Proff, D. Lezotte, A-C. Nyquist); Colorado Department of Public Health and Environment, Denver (K. Gershman)

Main Article

Table 3

Rates of influenza hospitalizations per 100,000 population, by age group, Colorado, USA, 2004–08

Age group Influenza season (October 1–May 31), no. cases/100,000
2004–05 2005–06 2006–07 2007–08
<6 mo 185.6 234.6 111.8 225.4
6–23 mo 104.3 148.9 66.0 110.5
2–4 y 27.9 28.4 12.8 30.3
5–17 y 6.7 8.6 3.4 8.5
18–49 y 6.2 3.8 3.4 7.8
50–64 y 19.4 12.8 4.6 16.1
65–79 y 59.4 49.0 15.9 49.5
>80 y
 214.4
 153.6
 45.7
 174.5
Overall rate (all age groups) 21.2 18.1 7.7 20.6

Main Article

Page created: December 08, 2010
Page updated: December 08, 2010
Page reviewed: December 08, 2010
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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