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Volume 14, Number 1—January 2008
THEME ISSUE
International Polar Year

Research

International Circumpolar Surveillance System for Invasive Pneumococcal Disease, 1999–2005

Michael G. Bruce*Comments to Author , Shelley L. Deeks†1, Tammy Zulz*, Dana Bruden*, Christine Navarro†, Marguerite Lovgren‡, Louise Jette§, Karl G. Kristinsson¶, Gudrun Sigmundsdottir¶, Knud Brinkløv Jensen#, Oistein Lovoll**, J. Pekka Nuorti††, Elja Herva‡‡, Anders Nystedt§§, Anders Sjostedt¶¶, Anders Koch##, Thomas W. Hennessy*, Alan J. Parkinson*, and the International Circumpolar Surveillance System for Invasive Pneumococcal Disease Working Group
Author affiliations: *Centers for Disease Control and Prevention, Anchorage, Alaska, USA; †Public Health Agency of Canada, Ottawa, Ontario, Canada; ‡National Centre for Streptococcus, Edmonton, Alberta, Canada; §Quebec Public Health Laboratory, Ste. Anne-de-Bellevue, Quebec, Canada; ¶Landspitali University Hospital, Reykjavik, Iceland; #Institution of the Chief Medical Officer, Nuuk, Greenland; **Norwegian Institute of Public Health, Oslo, Norway; ††National Public Health Institute, Helsinki, Finland; ‡‡National Public Health Institute, Oulu, Finland; §§Sunderby Hospital, Lulea, Sweden; ¶¶Umea University, Umea, Sweden; ##Statens Serum Institut, Copenhagen, Denmark;

Main Article

Table 2

Characteristics of persons with invasive pneumococcal disease, by country*

CharacteristicAlaska, 
1999–2005, 
n = 769Northern Canada, 1999–2005, 
n = 251Greenland, 2000–2005, 
n = 69Iceland, 
2000–2005, 
n = 274Norway, 
2000–2005, 
n = 5,744Northern Sweden, 2003–2005,
n = 88Finland,
2000–2005, 
n = 4,049
Median age (range)41.6 
(1 mo–100 y)30.2 
(0 mo– 83 y)44.7 
(0 mo–91 y)53.2 
(1 mo–98 y)63.2 
(0 mo–99 y)65.8 
(9 mo–98 y)54.2 
(0 mo–100 y)
No. males (%)423 (55)149 (60)37 (54)145 (53)2,856 (50)40 (45)2,271 (56)
No. indigenous (%)372 (48)191 (84)†NANANANANA
No. hospitalized (%)585 (77)‡201 (87)‡62 (100)‡NA5,567 (99)‡NANA
Duration of hospitalization, d, median (minimum–maximum)4 (0–188)5 (0–77)9 (0–131)NANANANA
No. deaths (%)96 (13)§11 (5)§13 (20)§30 (27)§419 (9)§NANA

*NA, not available.
†Ethnicity data missing from 24 (northern Canada) cases. Denominator = 227.
‡Hospitalization data missing for 9 (Alaska), 21 (northern Canada), 7 (Greenland), and 127 (Norway) cases. Denominators are 760, 230, 62, and 5,617, respectively.
§Death information missing for 10 (Alaska), 21 (northern Canada), 3 (Greenland), 161 (Iceland), and 1,1016 (Norway) cases. Denominators are 759, 230, 66, 113, and 4,728, respectively.

Main Article

1Current affiliation: National Centre for Immunisation, Research and Surveillance, Westmead, New South Wales, Australia

2The International Circumpolar Surveillance System for Invasive Pneumococcal Disease Working Group: Jean-François Proulx (Department of Public Health, Nunavik Regional Board of Health and Social Services, Quebec City, Quebec, Canada); Robert Carlin (Department of Public Health, Cree Board of Health and Social Services of James Bay, Montreal, Quebec, Canada); Andre Corriveau, Cheryl Case (Northwest Territory Department of Health and Social Services, Yellowknife, Northwest Territories, Canada); Bryce Larke, Colleen Hemsley (Yukon Health and Social Services, Whitehorse, Yukon, Canada); Isaac Sobel, Carolina Palacios (Nunavut Department of Health, Iqaluit, Nunavut, Canada); Gregory Tyrell, Marguerite Lovgren (National Centre for Streptococcus, Edmonton, Alberta, Canada); Alisa Reasonover, Michael G. Bruce, Tammy Zulz, Dana Bruden, Thomas W. Hennessy, Alan J. Parkinson (Centers for Disease Control and Prevention, Anchorage, Alaska, USA); Shelley L. Deeks (National Centre for Immunisation, Research and Surveillance, Westmead, New South Wales, Australia); Christine Navarro (Public Health Agency of Canada, Ottawa, Ontario, Canada); Louise Jette (Quebec Public Health Laboratory, Ste. Anne-de-Bellevue, Quebec, Canada); Karl Kristinsson, Gudrun Sigmundsdottir (Landspitali University Hospital, Reykjavik, Iceland); Knud Brinkløv Jensen (Institution of the Chief Medical Officer, Nuuk, Greenland); Oistein Lovoll (Norwegian Institute of Public Health, Oslo, Norway); J. Pekka Nuorti (National Public Health Institute, Helsinki, Finland); Elja Herva (National Public Health Institute, Oulu, Finland); Anders Sjostedt (Umea University, Umea, Sweden); Anders Nystedt (Sunderby Hospital, Lulea, Sweden); and Anders Koch (Statens Serum Institut, Copenhagen, Denmark)

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