| 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) |
| Preliminary estimates* | Estimate | 95% UI | Estimate | 95% UI | Estimate | 95% UI | Estimate | 95% UI |
| 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) |
* Estimates from the 2017-2018 and 2018-2019 seasons are preliminary and may change as data are finalized.
| Country/Region | Population (MM) | Confirmed Cases 3/21/2020 | Standardized Cases 3/21/2020 | Rank by Confirmed Cases Mar 21 | Rank by Standardized Cases Mar 21 |
| Austria | 9.0 | 2,814 | 103,403 | 15 | 7 |
| Belgium | 11.5 | 2,815 | 80,275 | 14 | 11 |
| California | 39.5 | 1,364 | 11,360 | 19 | 21 |
| China | 1,433.8 | 81,421 | 18,687 | 1 | 19 |
| Denmark | 5.8 | 1,420 | 80,957 | 18 | 10 |
| Florida | 21.5 | 659 | 10,097 | 21 | 23 |
| France | 65.1 | 14,431 | 72,912 | 8 | 12 |
| Germany | 83.5 | 22,213 | 87,521 | 6 | 8 |
| Hubei | 58.5 | 67,800 | 381,378 | 2 | 1 |
| Iran | 82.9 | 20,610 | 81,796 | 7 | 9 |
| Italy | 60.6 | 53,578 | 291,175 | 3 | 2 |
| Korea, South | 51.2 | 8,799 | 56,524 | 12 | 14 |
| Massachusetts | 6.9 | 525 | 24,859 | 23 | 18 |
| New Jersey | 8.9 | 1,327 | 49,162 | 20 | 15 |
| New York | 19.5 | 11,710 | 198,079 | 10 | 4 |
| Norway | 5.4 | 2,118 | 129,574 | 16 | 6 |
| Pennsylvania | 12.8 | 396 | 10,179 | 24 | 22 |
| Spain | 46.7 | 25,374 | 178,654 | 5 | 5 |
| Sweden | 10.0 | 1,763 | 57,804 | 17 | 13 |
| Switzerland | 8.6 | 6,575 | 251,834 | 13 | 3 |
| Texas | 29.0 | 581 | 6,594 | 22 | 24 |
| United Kingdom | 67.5 | 10,084 | 49,138 | 11 | 16 |
| US | 329.1 | 25,489 | 25,489 | 4 | 17 |
| US excl NY | 329.1 | 13,779 | 14,645 | 9 | 20 |
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