Volume 14, Number 1—January 2008
THEME ISSUE
International Polar Year
Research
Epidemiology of Haemophilus influenzae Serotype a, North American Arctic, 2000–2005
Table 1
Characteristic | Alaska (n = 11) | Northern Canada (n = 31) | Total (n = 42) |
---|---|---|---|
Median age (range) | 10 mo (4 mo–73 y) | 1.2 y (3 mo–31 y) | 1.1 y (3 mo–73 y) |
Male sex, no. (%) | 7 (64) | 19 (61) | 26 (62) |
Indigenous, no. (%) | 8 (73) | 27 (100)* | 35 (92) |
Age appropriately vaccinated for Hib, y (% vaccinated) | 7 (88)† | 21 (88)‡ | 28 (88) |
Hospitalization, no. (%)‡ | 10 (91) | 25 (96)§ | 35 (97) |
Deaths, no. (%)¶ | 1 (9) | 1 (4) | 2 (5) |
*Ethnicity data missing from 4 cases; denominator = 27.
†Vaccine history missing from 3 cases; denominator = 8.
‡Vaccine history missing from 7 cases; denominator = 24.
§Hospitalization data missing from 5 cases; denominator = 26.
¶Death data missing from 5 cases; denominator = 26.
1International Circumpolar Surveillance Hia Working Group: Michael G. Bruce, Dana Bruden, Carolynn DeByle, Marcella Harker-Jones, Tom Hennessy, Kim Boyd Hummel, Debby Hurlburt, Alan J. Parkinson, Debby Parks, Helen Peters, Alisa Reasonover, Tammy Zulz, (CDC); Shelley L. Deeks, Christine Navarro, Raymond Tsang (Public Health Agency of Canada); Carolina Palacios, Isaac Sobel (Nunavut Department of Health); Cheryl Case, Andre Corriveau (Northwest Territories Department of Health and Social Services); Colleen Hemsley, Bryce Larke (Yukon Health and Social Services); Marguerite Lovgren, Gregory Tyrell (National Centre for Streptococcus, Edmonton); Louise Jette, Louise Ringuette (Quebec Public Health Laboratory)