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Volume 15, Number 2—February 2009
Research

Oseltamivir-Resistant Influenza Viruses A (H1N1), Norway, 2007–08

Siri H. Hauge, Susanne Dudman, Katrine Borgen, Angie Lackenby, and Olav HungnesComments to Author 
Author affiliations: Norwegian Institute of Public Health, Oslo, Norway (S.H. Hauge, S. Dudman, K. Borgen, O. Hungnes); Health Protection Agency, London, UK (A. Lackenby)

Main Article

Table 1

Proportion of oseltamivir-resistant and oseltamivir-susceptible influenza viruses A (H1N1), 2007–08 influenza season, Norway

Sample source Total no. samples No. (%) resistant samples No. (%) susceptible samples
All
272
183 (67.3)
89 (32.7)
Type of practice
Sentinel 56 38 (67.8) 18 (32.1)
Nonsentinel
216
145 (67.1)
71 (32.9)
Patient gender
Male 132 85 (64.4) 47 (35.6)
Female
140
98 (70.0)
42 (30.0)
Patient age group, y
0–4 45 27 (60.0) 18 (40.0)
5–14 45 25 (55.6) 20 (44.4)
15–24 31 20 (64.5) 11 (35.5)
25–59 138 102 (73.9) 36 (26.1)
60–99
13
9 (69.2)
4 (30.8)
Patient with predisposing disease
Diabetes 10 9 (90.0) 1 (10.0)
Lung disease 11 8 (72.7) 3 (27.3)
Cardiac disease 5 2 (40.0) 3 (60.0)
Immunodeficiency 5 3 (60.0) 2 (40.0)
Any 27 20 (74.1) 7 (25.9)

Main Article

Page created: December 08, 2010
Page updated: December 08, 2010
Page reviewed: December 08, 2010
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