For newer version see: https://sealevel.info/CDC_Influenza_stats_Table1_2010-11_thru_2019-20_as_of_2020-12-23.html
| Table 1: Estimated Influenza Disease Burden, by Season — United States, 2010-11 through 2018-19 Influenza Seasons | ||||||||
| Symptomatic Illnesses | Medical Visits | Hospitalizations | Deaths | |||||
| Season | Estimate | 95% U I | Estimate | 95% U I | Estimate | 95% U I | Estimate | 95% U I |
| 2010-2011 | 21,000,000 | (20,000,000 – 25,000,000) | 10,000,000 | (9,300,000 – 12,000,000) | 290,000 | (270,000 – 350,000) | 37,000 | (32,000 – 51,000) |
| 2011-2012 | 9,300,000 | (8,700,000 – 12,000,000) | 4,300,000 | (4,000,000 – 5,600,000) | 140,000 | (130,000 – 190,000) | 12,000 | (11,000 – 23,000) |
| 2012-2013 | 34,000,000 | (32,000,000 – 38,000,000) | 16,000,000 | (15,000,000 – 18,000,000) | 570,000 | (530,000 – 680,000) | 43,000 | (37,000 – 57,000) |
| 2013-2014 | 30,000,000 | (28,000,000 – 33,000,000) | 13,000,000 | (12,000,000 – 15,000,000) | 350,000 | (320,000 – 390,000) | 38,000 | (33,000 – 50,000) |
| 2014-2015 | 30,000,000 | (29,000,000 – 33,000,000) | 14,000,000 | (13,000,000 – 16,000,000) | 590,000 | (540,000 – 680,000) | 51,000 | (44,000 – 64,000) |
| 2015-2016 | 24,000,000 | (20,000,000 – 33,000,000) | 11,000,000 | (9,000,000 – 15,000,000) | 280,000 | (220,000 – 480,000) | 23,000 | (17,000 – 35,000) |
| 2016-2017 | 29,000,000 | (25,000,000 – 45,000,000) | 14,000,000 | (11,000,000 – 23,000,000) | 500,000 | (380,000 – 860,000) | 38,000 | (29,000 – 61,000) |
| 2017-2018* | 45,000,000 | (39,000,000 – 58,000,000) | 21,000,000 | (18,000,000 – 27,000,000) | 810,000 | (620,000 – 1,400,000) | 61,000 | (46,000 – 95,000) |
| 2018-2019* | 35,520,883 | (31,323,881 – 44,995,691) | 16,520,350 | (14,322,767 – 21,203,231) | 490,561 | (387,283 – 766,472) | 34,157 | (26,339 – 52,664) |
| Average: | 28,646,765 | 13,313,372 | 446,729 | 37,462 | ||||
| Source: | https://www.cdc.gov/flu/about/burden/index.html | |||||||
| 37,462 / 28,646,763 = | 0.00131 | |||||||
| * 2017-18 and 2018-19 are preliminary | ||||||||