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Table 1 Number and age distribution of ILI cases from 2006 to 2011, National Influenza Surveillance, Philippines

From: National Influenza Surveillance in the Philippines from 2006 to 2012: seasonality and circulating strains

Age group 2006
N (%)
2007
N (%)
2008
N (%)
2009
N (%)
2010
N (%)
2011
N (%)
Total
N (%)
<6 months 624 (7.07) 944 (8.82) 2128 (9.74) 1732 (7.67) 1538 (7.64) 1623 (8.67) 8589 (8.35)
6–23 months 2525 (28.61) 3291 (30.74) 7156 (32.76) 6515 (28.86) 6064 (30.11) 5937 (31.72) 31488 (30.63)
2–4 years 2405 (27.25) 2846 (26.58) 5613 (25.70) 5511 (24.41) 5585 (27.73) 5390 (28.8) 27350 (26.6)
5–14 years 2393 (27.11) 2676 (24.99) 5175 (23.69) 6179 (27.37) 5258 (26.11) 4452 (23.79) 26133 (25.42)
15–49 years 757 (8.58) 746 (6.97) 1504 (6.89) 2269 (10.05) 1479 (7.34) 1110 (5.93) 7865 (7.65)
50+ years 89 (1.01) 113 (1.06) 246 (1.13) 313 (1.39) 198 (0.98) 200 (1.07) 1159 (1.13)
No data 33 (0.37) 91 (0.85) 22 (0.10) 56 (0.25) 18 (0.09) 2 (0.01) 222 (0.22)
Total 8826 10707 21844 22575 20140 18714 102806