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U.S. Outpatient Influenza-like Illness Surveillance Network (ILINet): Overall Percentage of Visits for ILI

U.S. Outpatient Influenza-like Illness Surveillance Network (ILINet): Overall Percentage of Visits for ILI
Updated July 3, 2020

U.S. Outpatient Influenza-like Illness Surveillance Network (ILINet): Overall Percentage of Visits for ILI
September 29, 2019 – June 27, 2020
Data as of July 2, 2020
National (Baseline: 2.4%)
CDC Week # Sites Reporting ILI 0-4 years ILI 5-24 years ILI 25-49 years ILI 50-64 years ILI 65 years and older Total ILI Total Patient Visits % Unweighted ILI % Weighted ILI
201940 2,910 6,218 7,658 4,827 1,764 1,448 21,915 1,457,610 1.5 1.5
201941 2,941 6,550 7,638 5,148 2,015 1,603 22,954 1,436,120 1.6 1.6
201942 2,965 7,287 8,292 5,548 2,110 1,649 24,886 1,430,304 1.7 1.7
201943 2,996 7,892 9,349 6,080 2,305 1,793 27,419 1,473,202 1.9 1.8
201944 3,005 8,658 10,068 6,143 2,279 1,762 28,910 1,435,369 2.0 2.0
201945 3,020 10,552 12,551 7,180 2,453 1,843 34,579 1,462,498 2.4 2.4
201946 2,988 11,446 13,670 7,905 2,740 1,969 37,730 1,426,208 2.6 2.6
201947 2,984 12,714 17,054 9,135 3,099 2,147 44,149 1,484,174 3.0 2.9
201948 2,992 14,442 14,821 9,209 3,199 2,371 44,042 1,275,141 3.5 3.4
201949 2,994 13,852 16,397 11,946 3,929 2,779 48,903 1,475,691 3.3 3.3
201950 2,956 14,727 21,876 12,820 4,112 2,903 56,438 1,458,041 3.9 3.9
201951 2,924 17,997 29,180 16,225 4,834 3,349 71,585 1,423,688 5.0 5.1
201952 2,915 24,094 34,001 24,612 7,637 5,401 95,745 1,338,209 7.2 7.1
202001 2,968 21,628 23,417 27,655 9,208 6,881 88,789 1,427,710 6.2 5.9
202002 2,999 15,568 22,749 23,629 8,193 5,464 75,603 1,491,714 5.1 4.9
202003 2,989 16,551 29,626 21,399 7,377 4,729 79,682 1,487,028 5.4 5.3
202004 2,991 18,575 35,260 23,640 7,963 4,669 90,107 1,496,559 6.0 6.1
202005 2,988 20,301 44,105 28,877 9,522 5,473 108,278 1,575,489 6.9 6.7
202006 2,997 20,268 45,518 29,817 10,047 5,697 111,347 1,570,946 7.1 6.8
202007 2,960 17,382 36,889 26,418 9,219 5,453 95,361 1,533,117 6.2 6.1
202008 2,975 15,324 28,525 23,182 8,312 5,186 80,529 1,432,979 5.6 5.5
202009 2,934 13,783 25,453 22,106 8,262 5,108 74,712 1,463,164 5.1 5.1
202010 2,902 13,891 26,397 23,899 8,886 5,695 78,768 1,487,774 5.3 5.3
202011 2,828 14,130 27,736 29,648 11,325 6,693 89,532 1,420,572 6.3 5.7
202012 2,790 10,749 17,499 30,791 12,467 6,980 78,486 1,066,203 7.4 6.4
202013 2,716 5,109 8,296 22,384 10,818 6,453 53,060 850,622 6.2 4.9
202014 2,671 2,363 4,856 14,948 8,681 5,370 36,218 747,154 4.8 3.8
202015 2,670 1,462 3,393 9,980 6,029 4,006 24,870 714,412 3.5 2.8
202016 2,650 1,034 2,630 7,424 4,174 2,917 18,179 705,055 2.6 2.1
202017 2,632 894 2,290 6,323 3,281 2,287 15,075 745,159 2.0 1.7
202018 2,601 850 2,100 5,279 2,663 1,886 12,778 784,986 1.6 1.4
202019 2,587 706 1,878 4,585 2,235 1,614 11,018 810,952 1.4 1.2
202020 2,575 785 1,967 4,113 2,159 1,434 10,458 852,278 1.2 1.1
202021 2,892 889 2,214 4,436 2,189 1,602 11,330 1,064,774 1.1 1.0
202022 2,866 791 1,874 3,547 1,865 1,438 9,515 1,094,482 .9 .9
202023 2,797 787 1,936 3,397 1,674 1,374 9,168 1,145,702 .8 .8
202024 2,757 861 2,103 3,396 1,691 1,343 9,394 1,188,162 .8 .8
202025 2,764 981 2,634 4,643 1,948 1,421 11,627 1,264,846 .9 .9
202026 2,616 1,140 3,375 6,108 2,564 1,803 14,990 1,278,876 1.2 1.1
Totals 1,858,129 49,276,970

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