Laboratory-confirmed influenza B cases by age group & season Outline Background Epidemiology of influenza Burden of influenza B Conclusions ACS NACI Statement on Seasonal Influenza Vaccine for 2014-2015 12.9% 40.2% 1.4% 16.6% 39.4% 12.8% 42.5% 39.7% 0.1% 14.6% 53.1% 16.1%
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