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Table 2 Laboratory-confirmed influenza cases overall and by type for each year between 2010 and 2017

From: Epidemiology and timing of seasonal influenza epidemics in the Asia-Pacific region, 2010–2017: implications for influenza vaccination programs

Year Influenza cases n (% of cases) A/B ratio
Any influenza A Any influenza B
2010a,b 73,770 44,850 (60.8) 28,920 (39.2) 1.55
2011a 48,181 33,401 (69.3) 14,780 (30.7) 2.26
2012 73,707 40,929 (55.5) 32,778 (44.5) 1.25
2013 55,696 44,148 (79.3) 11,548 (20.7) 3.82
2014 99,293 71,346 (71.9) 27,947 (28.1) 2.55
2015 104,312 75,316 (72.2) 28,996 (27.8) 2.60
2016 120,381 75,268 (62.5) 45,113 (37.5) 1.67
2017c 136,394 103,005 (75.5) 33,389 (24.5) 3.08
Total 711,734 488,263 (68.6) 22,3471 (31.4) 2.18
  1. aDid not include Nepal
  2. bDid not include Laos
  3. cDid not include Pakistan