Important update: Healthcare facilities
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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.
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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): Percentage of Visit for ILI by Age Group

U.S. Outpatient Influenza- like Illness Surveillance Network (ILINet): Percentage of Visit for ILI by Age Group
Updated Dec. 11, 2020
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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).
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U.S. Outpatient Influenza-like Illness Surveillance Network (ILINet):
Percentage of Visits for ILI by Age Group Reported by A Subset of ILINet Providers
September 29, 2019 – December 5, 2020
Data as of December 10, 2020
0-4 years 5-24 years 25-49 years 50-64 years 65+ years
Week Total Visits % ILI Total Visits % ILI Total Visits % ILI Total Visits % ILI Total Visits % ILI
201940 56,297 6 172,455 2.4 249,626 1.2 135,083 0.7 150,777 0.5
201941 58,682 6.2 171,416 2.4 247,615 1.3 136,748 0.8 154,739 0.6
201942 59,887 6.8 166,771 2.7 242,462 1.4 135,242 0.9 154,467 0.6
201943 61,051 7.1 176,083 2.9 249,728 1.5 139,263 0.9 158,008 0.6
201944 63,453 7.4 171,590 3.1 245,529 1.5 133,406 0.9 151,707 0.6
201945 66,166 8.4 173,895 3.7 243,114 1.7 133,001 1 151,789 0.6
201946 67,257 9.3 170,079 4.2 240,647 2 131,390 1.2 148,014 0.7
201947 73,294 9.7 176,988 5 253,263 2.2 138,747 1.3 153,867 0.8
201948 74,319 11.2 152,634 5.3 231,569 2.4 126,930 1.4 148,061 0.9
201949 73,243 10.6 174,956 4.9 255,328 2.8 136,785 1.6 155,770 1
201950 76,032 10.8 183,387 6.1 254,750 3 137,775 1.7 155,497 1
201951 81,306 12.4 183,153 8.4 251,696 3.7 135,039 1.9 155,357 1.2
201952 90,267 15.9 170,131 11.5 258,507 5.9 140,740 3.2 165,096 2
202001 86,269 14.7 162,051 8.4 280,118 5.9 149,437 3.5 170,051 2.4
202002 72,528 12.3 173,167 7 273,733 5.1 147,637 3.1 165,487 1.9
202003 73,278 12.8 183,165 8.1 266,469 4.8 143,676 2.9 160,282 1.7
202004 75,510 13.8 185,890 9.4 266,198 5.3 142,592 3.2 158,033 1.7
202005 78,728 14.6 208,281 10.5 277,969 6.3 145,238 3.9 160,551 2
202006 78,433 15 207,872 11.2 275,995 6.8 146,837 4.1 159,751 2.1
202007 75,421 13.6 196,597 9.7 274,401 6.1 148,601 3.8 163,078 2
202008 68,165 13.1 174,065 8.6 251,090 5.7 137,025 3.7 151,611 2.1
202009 67,748 11.8 179,557 7.4 261,852 5.4 142,603 3.6 158,538 2
202010 69,200 11.8 188,151 7.4 271,080 5.5 147,531 3.7 162,779 2.2
202011 66,459 12.4 185,525 8.4 275,819 6.7 144,892 4.9 151,357 2.7
202012 45,496 13.9 117,833 8.6 230,923 7.7 116,630 6.2 110,228 3.7
202013 29,497 10.2 83,263 5.7 194,727 6.4 99,895 5.8 95,045 3.8
202014 21,524 6.2 70,454 4 170,094 5 90,904 5.2 87,738 3.3
202015 19,626 4.2 67,029 2.9 157,592 3.7 88,624 3.8 89,348 2.5
202016 19,285 3 65,768 2.2 151,186 2.9 85,498 2.8 90,184 1.8
202017 20,399 2.4 71,484 1.8 161,677 2.3 92,174 2.1 98,125 1.4
202018 21,371 2.1 77,494 1.6 168,388 1.9 94,363 1.6 102,343 1.1
202019 22,800 1.7 82,393 1.3 175,881 1.5 100,549 1.3 108,157 0.9
202020 24,106 1.8 86,757 1.3 180,051 1.3 101,412 1.2 111,596 0.7
202021 32,398 1.7 118,475 1.1 253,165 1.1 143,512 0.9 160,760 0.6
202022 33,084 1.5 127,586 1 261,410 0.9 147,088 0.8 165,555 0.6
202023 34,808 1.5 135,163 0.9 266,792 0.8 150,549 0.7 170,328 0.5
202024 37,044 1.5 143,642 1 283,178 0.8 157,320 0.7 175,680 0.5
202025 39,583 1.6 155,793 1.2 299,949 1.1 164,899 0.8 182,285 0.6
202026 41,031 2 168,533 1.5 324,817 1.4 173,760 1.1 187,627 0.7
202027 41,493 2.4 171,009 1.7 333,850 1.6 175,859 1.4 189,946 0.9
202028 44,881 2.5 181,770 1.7 349,014 1.7 186,843 1.5 198,685 1
202029 43,936 2.6 175,297 1.6 336,580 1.6 181,333 1.4 192,544 0.9
202030 44,940 2.6 180,764 1.3 344,422 1.3 185,320 1.2 200,228 0.8
202031 44,777 2.4 178,239 1.3 339,013 1.2 182,977 1 199,161 0.7
202032 44,610 2.4 176,062 1.3 332,885 1 182,411 0.9 201,333 0.7
202033 45,866 2.3 177,487 1.2 334,680 0.9 182,964 0.8 201,769 0.6
202034 46,123 2.5 178,932 1.2 331,996 0.9 182,124 0.7 203,096 0.6
202035 46,702 2.6 182,372 1.5 331,091 0.8 181,040 0.7 201,275 0.5
202036 46,566 2.5 182,738 1.3 325,619 0.8 178,295 0.6 202,557 0.5
202037 48,717 2.9 182,666 1.5 326,130 0.8 181,396 0.7 201,772 0.5
202038 48,689 2.9 186,417 1.3 324,904 0.9 179,326 0.7 204,593 0.5
202039 46,372 3.1 183,257 1.5 322,664 0.9 178,451 0.7 206,016 0.5
202040 53,723 3.1 206,016 1.5 359,675 1 198,112 0.8 228,925 0.6
202041 54,038 3.2 209,557 1.7 378,850 1.1 210,445 1 241,250 0.7
202042 52,260 2.9 205,703 1.5 375,749 1.1 206,517 0.9 232,529 0.6
202043 51,814 3.1 206,567 1.6 378,328 1.1 208,808 1 234,140 0.6
202044 51,260 3.3 198,734 1.6 369,079 1.2 202,862 1 231,062 0.7
202045 53,152 3.3 207,974 1.8 378,239 1.3 206,321 1.1 234,318 0.7
202046 53,897 3.4 209,809 1.7 397,371 1.3 217,989 1.2 241,658 0.9
202047 53,239 3.3 203,300 1.7 385,167 1.4 211,291 1.3 236,064 0.9
202048 49,475 3.4 177,959 1.8 357,796 1.4 199,958 1.4 232,044 1
202049 48,352 3.5 182,169 1.7 364,870 1.5 199,931 1.4 229,948 0.9

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