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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 June 12, 2020

U.S. Outpatient Influenza-like Illness Surveillance Network (ILINet): Overall Percentage of Visits for ILI
September 29, 2019 – June 6, 2020
Data as of June 11, 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 2,911 6,219 7,658 4,828 1,764 1,449 21,918 1,458,042 1.5 1.5
201941 2,942 6,552 7,637 5,150 2,015 1,604 22,958 1,436,493 1.6 1.6
201942 2,966 7,289 8,296 5,549 2,111 1,651 24,896 1,430,698 1.7 1.7
201943 2,997 7,893 9,354 6,082 2,305 1,794 27,428 1,473,576 1.9 1.8
201944 3,006 8,660 10,076 6,145 2,279 1,764 28,924 1,435,769 2.0 2.0
201945 3,021 10,559 12,555 7,180 2,453 1,843 34,590 1,462,807 2.4 2.4
201946 2,989 11,448 13,676 7,909 2,740 1,970 37,743 1,426,570 2.6 2.6
201947 2,985 12,716 17,056 9,138 3,100 2,148 44,158 1,484,729 3.0 2.9
201948 2,993 14,446 14,821 9,209 3,199 2,372 44,047 1,275,480 3.5 3.4
201949 2,995 13,857 16,400 11,948 3,929 2,780 48,914 1,476,092 3.3 3.3
201950 2,957 14,732 21,883 12,824 4,115 2,905 56,459 1,458,418 3.9 3.9
201951 2,925 18,005 29,186 16,232 4,835 3,349 71,607 1,424,103 5.0 5.1
201952 2,916 24,101 34,003 24,618 7,637 5,407 95,766 1,338,744 7.2 7.1
202001 2,965 21,627 23,413 27,646 9,207 6,876 88,769 1,425,341 6.2 5.9
202002 2,996 15,568 22,747 23,632 8,196 5,466 75,609 1,488,319 5.1 5.0
202003 2,986 16,552 29,638 21,401 7,374 4,730 79,695 1,484,113 5.4 5.4
202004 2,988 18,579 35,270 23,639 7,965 4,668 90,121 1,493,443 6.0 6.1
202005 2,985 20,301 44,101 28,875 9,517 5,477 108,271 1,572,454 6.9 6.8
202006 2,994 20,259 45,524 29,831 10,045 5,697 111,356 1,567,859 7.1 6.8
202007 2,957 17,389 36,891 26,425 9,215 5,452 95,372 1,530,084 6.2 6.1
202008 2,972 15,331 28,531 23,191 8,316 5,184 80,553 1,429,921 5.6 5.6
202009 2,930 13,779 25,433 22,102 8,260 5,106 74,680 1,459,359 5.1 5.2
202010 2,898 13,884 26,386 23,897 8,884 5,700 78,751 1,484,276 5.3 5.3
202011 2,823 14,105 27,702 29,632 11,313 6,693 89,445 1,416,898 6.3 5.7
202012 2,783 10,743 17,477 30,773 12,461 6,977 78,431 1,063,891 7.4 6.4
202013 2,708 5,105 8,283 22,374 10,814 6,450 53,026 848,798 6.2 4.9
202014 2,661 2,354 4,839 14,894 8,673 5,367 36,127 744,221 4.9 3.8
202015 2,659 1,459 3,377 9,947 6,024 4,003 24,810 711,375 3.5 2.8
202016 2,637 1,028 2,612 7,393 4,166 2,909 18,108 701,841 2.6 2.1
202017 2,615 891 2,279 6,303 3,273 2,282 15,028 741,674 2.0 1.7
202018 2,581 850 2,080 5,258 2,657 1,879 12,724 781,054 1.6 1.4
202019 2,563 705 1,868 4,531 2,206 1,609 10,919 806,452 1.4 1.2
202020 2,543 778 1,956 4,088 2,137 1,426 10,385 844,666 1.2 1.1
202021 2,813 872 2,188 4,355 2,120 1,567 11,102 1,045,008 1.1 1.0
202022 2,779 773 1,842 3,479 1,809 1,403 9,306 1,077,482 .9 .8
202023 2,652 727 1,815 3,149 1,570 1,285 8,546 1,100,717 .8 .7
Totals 1,820,542 45,400,767

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