Important update: Healthcare facilities
CDC has updated select ways to operate healthcare systems effectively in response to COVID-19 vaccination. Learn more
UPDATE
Given new evidence on the B.1.617.2 (Delta) variant, CDC has updated the guidance for fully vaccinated people. CDC recommends universal indoor masking for all teachers, staff, students, and visitors to K-12 schools, regardless of vaccination status. Children should return to full-time in-person learning in the fall with layered prevention strategies in place.
UPDATE
The White House announced that vaccines will be required for international travelers coming into the United States, with an effective date of November 8, 2021. For purposes of entry into the United States, vaccines accepted will include FDA approved or authorized and WHO Emergency Use Listing vaccines. More information is available here.
UPDATE
Travel requirements to enter the United States are changing, starting November 8, 2021. More information is available here.
COVIDView: A Weekly Surveillance Summary of U.S. COVID-19 Activity

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 Oct. 2, 2020
Print
Related Pages
This graph displays the percentage of visits for influenza-like-illness (ILI) by age group reported to CDC by the U.S. Outpatient Influenza-like Illness Surveillance Network (ILINet).
resize iconView Larger
U.S. Outpatient U.S. Outpatient Influenza-like Illness Surveillance Network (ILINet): Overall Percentage of Visits for ILI
September 29, 2019 – September 26, 2020
Data as of October 1, 2020
Week 0-4 years 5-24 years 25-49 years 50-64 years 65+ years
Total Visits % ILI Total Visits % ILI Total Visits % ILI Total Visits % ILI Total Visits % ILI
201940 2,912 6,219 7,658 4,827 1,764 1,448 21,916 1,458,307 1.5 1.5
201941 2,942 6,550 7,638 5,148 2,015 1,603 22,954 1,436,748 1.6 1.6
201942 2,966 7,287 8,292 5,548 2,110 1,649 24,886 1,430,800 1.7 1.7
201943 2,997 7,892 9,349 6,080 2,305 1,793 27,419 1,473,831 1.9 1.8
201944 3,005 8,658 10,068 6,143 2,279 1,762 28,910 1,435,369 2 2
201945 3,022 10,557 12,551 7,182 2,453 1,843 34,586 1,463,253 2.4 2.4
201946 2,991 11,446 13,671 7,905 2,741 1,969 37,732 1,426,928 2.6 2.6
201947 2,987 12,716 17,058 9,138 3,101 2,148 44,161 1,484,969 3 2.9
201948 2,993 14,444 14,821 9,209 3,199 2,371 44,044 1,275,199 3.5 3.4
201949 2,995 13,852 16,397 11,947 3,929 2,779 48,904 1,476,208 3.3 3.3
201950 2,958 14,728 21,877 12,822 4,114 2,903 56,444 1,458,774 3.9 3.9
201951 2,926 18,001 29,182 16,227 4,835 3,349 71,594 1,424,436 5 5.1
201952 2,917 24,097 34,004 24,617 7,638 5,401 95,757 1,338,669 7.2 7.1
202001 2,970 21,594 23,392 27,655 9,209 6,881 88,731 1,426,691 6.2 5.9
202002 3,002 15,564 22,756 23,634 8,196 5,464 75,614 1,492,251 5.1 4.9
202003 2,995 16,587 29,668 21,413 7,386 4,729 79,783 1,489,132 5.4 5.3
202004 2,997 18,574 35,275 23,658 7,973 4,670 90,150 1,496,826 6 6.1
202005 2,994 20,299 44,117 28,889 9,527 5,475 108,307 1,575,702 6.9 6.7
202006 3,004 20,270 45,513 29,823 10,049 5,706 111,361 1,571,500 7.1 6.8
202007 2,968 17,393 36,909 26,428 9,231 5,457 95,418 1,533,719 6.2 6.1
202008 2,983 15,330 28,531 23,189 8,320 5,189 80,559 1,433,360 5.6 5.5
202009 2,946 13,820 25,490 22,127 8,276 5,110 74,823 1,466,142 5.1 5.1
202010 2,912 13,888 26,396 23,906 8,891 5,698 78,779 1,489,235 5.3 5.3
202011 2,846 14,154 27,756 29,667 11,334 6,696 89,607 1,425,172 6.3 5.7
202012 2,809 10,790 17,512 30,818 12,478 6,986 78,584 1,068,587 7.4 6.4
202013 2,736 5,129 8,322 22,408 10,825 6,458 53,142 853,294 6.2 4.9
202014 2,695 2,359 4,852 14,964 8,696 5,380 36,251 750,445 4.8 3.8
202015 2,697 1,496 3,426 9,995 6,043 4,014 24,974 718,794 3.5 2.8
202016 2,678 1,068 2,667 7,427 4,184 2,928 18,274 709,837 2.6 2.1
202017 2,662 926 2,317 6,339 3,289 2,293 15,164 750,390 2 1.7
202018 2,634 864 2,098 5,292 2,670 1,897 12,821 790,755 1.6 1.4
202019 2,622 720 1,883 4,588 2,243 1,624 11,058 817,643 1.4 1.2
202020 2,611 788 1,960 4,112 2,171 1,449 10,480 846,379 1.2 1.1
202021 2,941 895 2,218 4,459 2,203 1,616 11,391 1,054,740 1.1 1
202022 2,931 803 1,889 3,567 1,875 1,455 9,589 1,076,481 0.9 0.9
202023 2,908 801 1,960 3,429 1,700 1,406 9,296 1,128,275 0.8 0.8
202024 2,881 878 2,135 3,442 1,720 1,373 9,548 1,167,196 0.8 0.9
202025 2,916 1,002 2,677 4,703 1,986 1,470 11,838 1,240,456 1 0.9
202026 2,873 1,210 3,476 6,225 2,638 1,896 15,445 1,280,330 1.2 1.2
202027 2,865 1,387 3,941 7,005 3,213 2,219 17,765 1,281,501 1.4 1.3
202028 2,890 1,541 4,067 7,984 3,752 2,624 19,968 1,352,649 1.5 1.4
202029 2,862 1,650 4,058 7,493 3,549 2,428 19,178 1,330,981 1.4 1.3
202030 2,923 1,631 3,542 6,087 3,074 2,140 16,474 1,348,790 1.2 1.2
202031 2,959 1,604 3,483 5,684 2,585 2,102 15,458 1,339,816 1.2 1.2
202032 2,912 1,567 3,263 4,956 2,347 1,918 14,051 1,325,363 1.1 1.1
202033 2,930 1,571 3,106 4,453 2,147 1,747 13,024 1,328,244 1 1
202034 2,880 1,763 3,232 4,241 1,866 1,646 12,748 1,330,696 1 1
202035 2,907 1,825 3,896 3,998 1,793 1,457 12,969 1,337,213 1 1
202036 2,848 1,744 3,517 3,671 1,660 1,439 12,031 1,312,893 0.9 0.9
202037 2,824 1,961 3,769 3,916 1,765 1,426 12,837 1,303,770 1 1
202038 2,790 2,020 3,542 3,979 1,754 1,445 12,740 1,317,204 1 1
202039 2,723 2,173 3,934 4,177 1,850 1,475 13,609 1,332,275 1 1
Totals 2,053,146 66,481,433

Download Raw Data excel icon[38 KB]