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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 19, 2020

U.S. Outpatient Influenza-like Illness Surveillance Network (ILINet): Overall Percentage of Visits for ILI
September 29, 2019 – June 13, 2020
Data as of June 18, 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 2,909 6,218 7,657 4,827 1,764 1,448 21,914 1,457,368 1.5 1.5
201941 2,940 6,550 7,636 5,148 2,015 1,603 22,952 1,435,919 1.6 1.6
201942 2,964 7,287 8,292 5,548 2,110 1,649 24,886 1,430,034 1.7 1.7
201943 2,995 7,892 9,349 6,080 2,305 1,793 27,419 1,472,926 1.9 1.8
201944 3,004 8,658 10,068 6,143 2,279 1,762 28,910 1,435,159 2.0 2.0
201945 3,019 10,552 12,551 7,180 2,453 1,843 34,579 1,462,200 2.4 2.4
201946 2,987 11,446 13,670 7,905 2,740 1,969 37,730 1,426,005 2.6 2.6
201947 2,983 12,714 17,053 9,135 3,099 2,147 44,148 1,484,064 3.0 2.9
201948 2,991 14,442 14,820 9,209 3,199 2,371 44,041 1,274,888 3.5 3.4
201949 2,993 13,852 16,396 11,946 3,929 2,779 48,902 1,475,444 3.3 3.3
201950 2,955 14,727 21,876 12,820 4,112 2,903 56,438 1,457,810 3.9 3.9
201951 2,923 17,997 29,180 16,225 4,834 3,349 71,585 1,423,451 5.0 5.1
201952 2,914 24,094 34,001 24,612 7,637 5,401 95,745 1,338,096 7.2 7.1
202001 2,967 21,628 23,417 27,655 9,208 6,881 88,789 1,427,574 6.2 5.9
202002 2,998 15,568 22,747 23,629 8,193 5,464 75,601 1,491,385 5.1 4.9
202003 2,988 16,551 29,624 21,399 7,377 4,729 79,680 1,486,692 5.4 5.3
202004 2,990 18,575 35,257 23,640 7,963 4,669 90,104 1,496,240 6.0 6.1
202005 2,987 20,301 44,105 28,877 9,522 5,473 108,278 1,575,162 6.9 6.7
202006 2,996 20,268 45,518 29,817 10,047 5,697 111,347 1,570,659 7.1 6.8
202007 2,959 17,382 36,888 26,418 9,219 5,453 95,360 1,532,824 6.2 6.1
202008 2,974 15,324 28,523 23,182 8,312 5,186 80,527 1,432,637 5.6 5.5
202009 2,933 13,783 25,449 22,106 8,262 5,108 74,708 1,462,900 5.1 5.1
202010 2,901 13,891 26,395 23,899 8,886 5,695 78,766 1,487,435 5.3 5.3
202011 2,827 14,130 27,735 29,648 11,325 6,693 89,531 1,420,252 6.3 5.7
202012 2,788 10,749 17,497 30,791 12,467 6,980 78,484 1,065,796 7.4 6.4
202013 2,714 5,109 8,295 22,384 10,818 6,453 53,059 850,242 6.2 4.9
202014 2,666 2,358 4,839 14,932 8,677 5,367 36,173 745,835 4.9 3.8
202015 2,664 1,461 3,381 9,956 6,024 4,004 24,826 712,974 3.5 2.8
202016 2,642 1,030 2,619 7,407 4,169 2,910 18,135 703,622 2.6 2.1
202017 2,623 893 2,277 6,311 3,274 2,284 15,039 743,607 2.0 1.7
202018 2,592 847 2,089 5,260 2,659 1,879 12,734 783,323 1.6 1.4
202019 2,576 706 1,870 4,567 2,219 1,610 10,972 809,040 1.4 1.2
202020 2,559 780 1,958 4,092 2,139 1,426 10,395 847,658 1.2 1.1
202021 2,831 872 2,187 4,355 2,122 1,568 11,104 1,048,094 1.1 1.0
202022 2,803 775 1,844 3,478 1,809 1,403 9,309 1,080,752 .9 .8
202023 2,756 781 1,924 3,367 1,661 1,359 9,092 1,136,695 .8 .8
202024 2,671 836 2,050 3,277 1,631 1,307 9,101 1,165,827 .8 .8
Totals 1,830,363 46,650,589

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