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Table 3 Description of SARI patients testing positive for influenza by country, season and age group (<15, 15+)

From: Surveillance for severe acute respiratory infections (SARI) in hospitals in the WHO European region - an exploratory analysis of risk factors for a severe outcome in influenza-positive SARI cases

  Country and season Samples tested Samples positive (%) Influenza A Influenza A(H1N1) pdm09 Influenza A(H3N2) Influenza A (not sub- typed) Influenza B Fatal cases (%)
Albania 2009-2010 58 58 (100%) 58 55 3 0 0 13/58 (22.4%)
  <15 years 12 12 (100%) 12 11 1 - - 0/12 (0%)
  15+ years 46 46 (100%) 46 44 2 - - 13/46 (28.3%)
  2010-2011 44 10 (22.7%) 10 8 2 0 0 0/10 (0%)
  <15 years 12 2 (16.7%) 2 2 0 - - -
  15+ years 32 8 (25%) 8 6 2 - - -
Armenia 2010-2011 140 22 (15.7%) 17 a 9 0 - 5 1/22 (4.5%)
  <15 years 109 8 (7.3%) 5a 0 0 - 3 1/8 (12.5%)
  15+ years 31 14 (45.2%) 12a 9 0 - 2 0/22 (0%)
  2011-2012 48 1 (2.1%) 1 0 1 - 0 0/1
  <15 years 39 0 (0%) 0 - 0 - 0 -
  15+ years 9 1 (11.1%) 1 - 1 - 0 0/1
Belarus 2010-2011 380 35 (9.2%) 24 24 - - 11 Na
  <15 years 105 10 (9.5%) 7 7 - - 3  
  15+ years 275 25 (9.1%) 17 17 - - 8  
  2011-2012 635 16 (2.5%) 16 1 15 - 0 Na
  <15 years 306 8 (2.6%) 8 1 7 - -  
  15+ years 329 8 (2.3%) 8 0 8 - -  
Georgia 2008-2009 196 46 (23.5%) 42 39 3 0 4 0/46 (0%)
  <15 years 163 33 (20.2%) 29 26 3 - 4 0/33 (0%)
  15+ years 33 13 (39.4%) 13 13 0 - 0 0/13 (0%)
  2009-2010 1526 531 (34.8%) 499 484 11 4 32 31/531 (5.8%)
  <15 years 1051 327 (31%) 296 281 11 4 31 7/327 (2.1%)
  15+ years 475 204 (2.3%) 203 203 0 0 1 24/204 (11.8%)
  2010-2011 375 282 (75.2%) 146 143 1 2 136 53/282 (18.8%)
  <15 years 196 150 (76.5%) 63 62 1 0 87 3/150 (2.0%)
  15+ years 179 132 (73.7%) 83 81 0 2 49 50/132 (37.9%)
  2011-2012 21 10 (47.6%) 10 5 5 0 0 7/10 (70%)
  <15 years 6 4 (66.7%) 4 4 0 - - 1/4 (25%)
  15+ years 15 6 (40%) 6 1 5 - - 6/6 (100%)
Kazakhstan 2011-2012 791 186 a (23.5%) 171 a 54 100 2 10 0/38*
  <15 years 509 95a (18.7%) 90a 23 59 - 2 0/21*
  15+ years 282 91a (32.3%) 81a 31 41 2 8 0/17*
Kyrgyzstan 2010-2011 43 19 (44.2%) 19 10 9 - - Na
  <15 years 13 13 (100%) 13 5 8    
  15+ years 30 6 (20%) 6 5 1    
Romania 2009-2010 211 66 (31.3%) 66 66 0 - 0 11/66 (16.7%)
  <15 years 75 13 (17.3%) 13 13 0 - - 2/13 (15.4%)
  15+ years 136 53 (39%) 53 53 0 - - 9/53 (17%)
  2010-2011 422 165 (39.1%) 84 83 1 - 81 21/165 (12.7%)
  <15 years 203 69 (34%) 18 18 0 - 51 0/69 (0%)
  15+ years 219 96 (43.8%) 66 65 1 - 30 21/96 (21.9%)
  2011-2012 281 69 (24.6%) 68 0 68 - 1 1/69 (1.4%)
  <15 years 173 31 (17.9%) 31 0 31 - 0 1/31 (3.2%)
  15+ years 108 38 (35.2%) 37 0 37 - 1 0/38 (0%)
Rus. Fed. 2010-2011 1293 274 (21.2%) 203 a 178 22 - 71 Na
  <15 years 834 103 (12.4%) 73a 62 10 - 30  
  15+ years 459 171 (37.3%) 130a 116 12 - 41  
  2011-2012 1486 153 a (10.3%) 128 8 120 - 23 Na
  <15 years 884 49 (5.5%) 42 2 40 - 7  
  15+ years 602 104a (17.3%) 86 6 80 - 16  
Ukraine 2009-2010 2149 731 (34%) 672 666 0 6 59 10/730 (1.4%)
  <15 years 954 248 (26.0%) 231 229 0 2 17 0/247 (0%)
  15+ years 1195 483 (40.4%) 441 437 - 4 42 10/483 (2.1%)
  2010-2011 2046 490 (23.9%) 219 a 200 5 13 271 0/489 (0%)
  <15 years 1134 208 (18.3%) 105 101 1 3 103 0/208
  15+ years 912 282 (30.9%) 114a 99 4 10 168 0/281
  2011-2012 413 188 a (45.5%) 179 a 0 171 1 6 Na
  <15 years 251 107a (42.6%) 102a 0 94 0 2  
  15+ years 162 81 (50%) 77 0 77 0 4  
  1. Na: not available; *Incomplete data; aThe influenza (sub)type information were not available for all influenza-positive SARI patients.
  2. Note: for the countries Albania, Belarus, Georgia and Ukraine the total number of samples tested and/or tested positive are slightly lower compared to the data presented in the Supplement, this is due to the selection and availability of the influenza type and subtype data, and season/age group information.