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National Syndromic Surveillance Program (NSSP): Emergency Department Visits Percentage of Visits for COVID-19-Like Illness (CLI) or Influenza-like Illness (ILI) September 29, 2019 - April 4, 2020 Data as of April 9, 2020

Updated April 10, 2020
This graph displays data on emergency department (ED) visits for COVID-19-like illness (CLI) and influenza like illness (ILI) reported to CDC by the National Syndromic Surveillance Program (NSSP).

National Syndromic Surveillance Program (NSSP): Emergency Department Visits Percentage of Visits for COVID-19-Like Illness (CLI) or Influenza-like Illness (ILI)September 29, 2019 – April 4, 2020Data as of April 9, 2020
National
Week Number of Facilities Reporting Total Number of ED Visits CLI Visits ILI Visits
Number Percent of Total Visits Number Percent of Total Visits
201940 3,255 2,146,776 17,639 0.8 19,503 0.9
201941 3,249 2,106,999 18,693 0.9 20,457 1.0
201942 3,256 2,101,358 20,798 1.0 22,515 1.1
201943 3,254 2,122,427 21,682 1.0 23,776 1.1
201944 3,295 2,087,335 22,936 1.1 25,466 1.2
201945 3,315 2,137,854 26,708 1.2 29,948 1.4
201946 3,328 2,122,363 28,570 1.3 32,425 1.5
201947 3,334 2,209,698 31,142 1.4 36,073 1.6
201948 3,337 2,097,933 34,353 1.6 39,613 1.9
201949 3,336 2,224,300 32,847 1.5 37,569 1.7
201950 3,342 2,240,477 34,824 1.6 42,485 1.9
201951 3,343 2,225,537 39,550 1.8 50,914 2.3
201952 3,341 2,332,296 51,679 2.2 68,616 2.9
202001 3,352 2,408,019 46,491 1.9 57,566 2.4
202002 3,355 2,291,586 33,703 1.5 42,550 1.9
202003 3,358 2,262,316 32,874 1.5 44,605 2.0
202004 3,374 2,259,759 35,862 1.6 49,574 2.2
202005 3,379 2,352,055 42,505 1.8 59,657 2.5
202006 3,382 2,340,858 41,559 1.8 58,961 2.5
202007 3,390 2,274,585 36,932 1.6 50,814 2.2
202008 3,388 2,256,684 34,182 1.5 45,846 2.0
202009 3,394 2,219,732 31,438 1.4 41,632 1.9
202010 3,403 2,250,329 38,817 1.7 49,686 2.2
202011 3,404 2,235,333 62,435 2.8 71,219 3.2
202012 3,399 1,794,020 86,088 4.8 84,208 4.7
202013 3,406 1,438,725 72,058 5.0 62,139 4.3
202014 3,397 1,245,869 54,531 4.4 43,457 3.5
Total 57,785,223 1,030,896 1,211,274
Region 1 (CT, ME, MA, NH, RI, VT)
Week Number of Facilities Reporting Total Number of ED Visits CLI Visits ILI Visits
Number Percent of Total Visits Number Percent of Total Visits
201941 202 130,377 794 0.6 814 0.6
201942 202 132,385 857 0.6 912 0.7
201943 202 131,866 875 0.7 883 0.7
201944 203 128,256 838 0.7 888 0.7
201945 203 127,466 997 0.8 979 0.8
201946 202 125,306 1,159 0.9 1,188 0.9
201947 202 128,877 1,162 0.9 1,235 1.0
201948 202 124,781 1,386 1.1 1,451 1.2
201949 202 125,939 1,328 1.1 1,362 1.1
201950 202 130,430 1,301 1.0 1,405 1.1
201951 202 126,317 1,442 1.1 1,704 1.3
201952 202 136,093 2,066 1.5 2,483 1.8
202001 202 144,568 2,131 1.5 2,567 1.8
202002 202 140,084 1,712 1.2 2,189 1.6
202003 201 134,746 1,767 1.3 2,452 1.8
202004 201 139,698 1,989 1.4 2,945 2.1
202005 201 146,319 2,376 1.6 3,496 2.4
202006 201 143,951 2,356 1.6 3,611 2.5
202007 201 138,226 1,967 1.4 2,843 2.1
202008 201 132,269 1,626 1.2 2,291 1.7
202009 201 133,010 1,441 1.1 1,912 1.4
202010 198 129,443 1,732 1.3 2,297 1.8
202011 198 123,621 2,916 2.4 3,318 2.7
202012 198 91,519 3,838 4.2 3,595 3.9
202013 198 74,647 3,193 4.3 2,560 3.4
202014 197 66,660 2,807 4.2 2,086 3.1
Total 3,419,098 46,776 54,215
Region 2 (NJ, NY, PR)
Week Number of Facilities Reporting Total Number of ED Visits CLI Visits ILI Visits
Number Percent of Total Visits Number Percent of Total Visits
201940 196 225,727 1,682 0.7 1,782 0.8
201941 196 221,788 1,658 0.7 1,787 0.8
201942 195 219,981 1,918 0.9 2,002 0.9
201943 195 224,672 1,961 0.9 2,101 0.9
201944 196 220,700 2,213 1.0 2,342 1.1
201945 195 218,896 2,472 1.1 2,642 1.2
201946 196 215,909 2,683 1.2 2,798 1.3
201947 196 225,655 2,822 1.3 3,055 1.4
201948 196 216,663 3,319 1.5 3,625 1.7
201949 196 224,160 3,397 1.5 3,706 1.7
201950 196 230,432 3,622 1.6 4,122 1.8
201951 195 224,906 4,122 1.8 4,923 2.2
201952 195 239,651 5,462 2.3 6,864 2.9
202001 195 250,041 5,453 2.2 6,739 2.7
202002 195 243,366 4,181 1.7 5,340 2.2
202003 195 238,487 4,216 1.8 5,617 2.4
202004 195 238,623 4,696 2.0 6,432 2.7
202005 195 245,370 5,189 2.1 7,050 2.9
202006 195 241,573 4,929 2.0 6,702 2.8
202007 195 228,893 3,855 1.7 5,201 2.3
202008 195 222,231 3,280 1.5 4,219 1.9
202009 195 222,032 2,940 1.3 3,696 1.7
202010 195 222,232 4,129 1.9 4,999 2.2
202011 195 223,489 8,561 3.8 9,203 4.1
202012 195 188,403 14,970 7.9 14,306 7.6
202013 195 166,883 17,922 10.7 15,264 9.1
202014 194 144,249 15,277 10.6 11,712 8.1
Total 5,985,012 136,929 148,229
Region 3 (DE, DC, MD, PA, VA, WV)
Week Number of Facilities Reporting Total Number of ED Visits CLI Visits ILI Visits
Number Percent of Total Visits Number Percent of Total Visits
201940 328 233,520 1,571 0.7 1,590 0.7
201941 328 231,083 1,630 0.7 1,619 0.7
201942 329 226,204 1,732 0.8 1,705 0.8
201943 330 231,324 1,760 0.8 1,741 0.8
201944 329 229,630 1,795 0.8 1,814 0.8
201945 330 224,848 1,987 0.9 2,000 0.9
201946 331 225,071 2,210 1.0 2,266 1.0
201947 332 233,791 2,373 1.0 2,451 1.0
201948 333 220,997 2,631 1.2 2,768 1.3
201949 332 233,850 2,541 1.1 2,787 1.2
201950 333 237,307 2,761 1.2 3,138 1.3
201951 334 236,476 3,155 1.3 3,726 1.6
201952 333 250,297 4,082 1.6 5,284 2.1
202001 333 263,959 3,934 1.5 4,649 1.8
202002 333 248,266 2,773 1.1 3,283 1.3
202003 335 243,035 2,629 1.1 3,389 1.4
202004 337 243,639 2,796 1.1 3,847 1.6
202005 338 253,482 3,337 1.3 4,675 1.8
202006 334 253,444 3,246 1.3 4,749 1.9
202007 337 247,384 3,058 1.2 4,052 1.6
202008 337 243,027 2,608 1.1 3,422 1.4
202009 337 240,880 2,597 1.1 3,440 1.4
202010 344 248,091 3,155 1.3 3,963 1.6
202011 344 246,795 5,424 2.2 6,109 2.5
202012 343 190,649 7,691 4.0 7,334 3.8
202013 343 151,206 5,830 3.9 4,834 3.2
202014 341 131,490 4,580 3.5 3,486 2.7
Total 6,219,745 83,886 94,121
Region 4 (AL, FL, GA, KY, MS, NC, SC, TN)
Week Number of Facilities Reporting Total Number of ED Visits CLI Visits ILI Visits
Number Percent of Total Visits Number Percent of Total Visits
201940 799 593,214 6,388 1.1 7,354 1.2
201941 802 582,139 6,732 1.2 7,732 1.3
201942 803 579,364 7,152 1.2 8,071 1.4
201943 804 589,121 7,637 1.3 8,729 1.5
201944 834 592,489 8,304 1.4 9,753 1.6
201945 836 601,631 9,629 1.6 11,276 1.9
201946 852 591,499 10,195 1.7 12,016 2.0
201947 856 615,297 11,021 1.8 13,139 2.1
201948 857 594,814 11,947 2.0 14,317 2.4
201949 859 628,604 10,629 1.7 12,650 2.0
201950 865 635,140 11,221 1.8 14,659 2.3
201951 865 638,407 13,275 2.1 18,078 2.8
201952 869 659,197 16,386 2.5 22,511 3.4
202001 868 676,323 13,562 2.0 16,739 2.5
202002 868 641,147 9,615 1.5 12,185 1.9
202003 871 648,754 9,887 1.5 13,364 2.1
202004 874 624,888 10,194 1.6 13,684 2.2
202005 877 659,322 12,366 1.9 16,987 2.6
202006 879 673,533 12,732 1.9 17,626 2.6
202007 879 656,042 10,936 1.7 14,788 2.3
202008 879 639,788 9,910 1.5 12,819 2.0
202009 881 623,764 9,136 1.5 11,759 1.9
202010 883 639,766 11,889 1.9 14,994 2.3
202011 884 644,417 18,204 2.8 20,958 3.3
202012 883 526,658 23,041 4.4 23,345 4.4
202013 883 417,707 17,200 4.1 15,655 3.7
202014 883 347,405 11,557 3.3 9,876 2.8
Total 16,320,430 310,745 375,064
Region 5 (IL, IN, MI, MN, OH, WI)
Week Number of Facilities Reporting Total Number of ED Visits CLI Visits ILI Visits
Number Percent of Total Visits Number Percent of Total Visits
201940 692 405,269 3,097 0.8 3,279 0.8
201941 687 394,787 3,366 0.9 3,492 0.9
201942 687 389,564 3,747 1.0 3,871 1.0
201943 688 395,249 3,892 1.0 4,048 1.0
201944 692 381,899 3,831 1.0 3,968 1.0
201945 698 388,135 4,165 1.1 4,277 1.1
201946 695 381,726 4,216 1.1 4,420 1.2
201947 697 402,287 4,702 1.2 4,941 1.2
201948 696 382,008 5,475 1.4 5,820 1.5
201949 697 414,144 6,015 1.5 6,376 1.5
201950 696 411,894 6,741 1.6 7,580 1.8
201951 698 411,759 7,409 1.8 9,041 2.2
201952 696 438,922 10,145 2.3 13,177 3.0
202001 696 450,103 9,290 2.1 11,400 2.5
202002 697 419,373 6,310 1.5 7,929 1.9
202003 699 401,105 5,822 1.5 8,033 2.0
202004 707 412,715 6,459 1.6 9,329 2.3
202005 707 433,711 8,084 1.9 12,308 2.8
202006 706 430,013 7,618 1.8 12,031 2.8
202007 705 411,120 6,660 1.6 10,293 2.5
202008 707 417,007 6,265 1.5 9,710 2.3
202009 708 408,165 5,753 1.4 8,706 2.1
202010 705 414,866 6,234 1.5 9,019 2.2
202011 704 413,023 10,009 2.4 12,465 3.0
202012 704 324,394 14,779 4.6 14,542 4.5
202013 704 256,406 11,654 4.5 9,688 3.8
202014 703 226,298 8,875 3.9 6,979 3.1
Total 10,615,942 180,613 216,722
Total 5,306,486 86,053 109,016
Region 6 (AR, LA, NM, OK, TX)
Week Number of Facilities Reporting Total Number of ED Visits CLI Visits ILI Visits
Number Percent of Total Visits Number Percent of Total Visits
201940 343 204,621 1,504 0.7 1,896 0.9
201941 340 195,817 1,574 0.8 1,941 1.0
201942 341 197,614 1,927 1.0 2,274 1.2
201943 342 194,783 2,048 1.1 2,458 1.3
201944 340 189,526 2,304 1.2 2,822 1.5
201945 343 207,841 3,001 1.4 3,753 1.8
201946 344 205,961 3,306 1.6 4,104 2.0
201947 343 222,776 3,870 1.7 5,054 2.3
201948 343 206,915 3,977 1.9 4,978 2.4
201949 341 212,835 3,280 1.5 4,061 1.9
201950 341 209,828 2,970 1.4 4,035 1.9
201951 338 205,386 3,241 1.6 4,731 2.3
201952 335 218,846 4,312 2.0 6,428 2.9
202001 338 218,391 3,525 1.6 4,840 2.2
202002 339 204,180 2,564 1.3 3,541 1.7
202003 341 207,358 2,414 1.2 3,624 1.7
202004 343 202,629 2,740 1.4 4,192 2.1
202005 340 207,652 3,064 1.5 4,655 2.2
202006 342 201,842 2,988 1.5 4,449 2.2
202007 344 196,968 2,766 1.4 3,967 2.0
202008 345 198,547 2,727 1.4 3,807 1.9
202009 345 192,671 2,459 1.3 3,364 1.7
202010 345 200,157 3,011 1.5 3,965 2.0
202011 344 203,001 4,932 2.4 5,713 2.8
202012 342 166,065 6,703 4.0 6,684 4.0
202013 344 123,657 5,300 4.3 4,701 3.8
202014 344 110,619 3,546 3.2 2,979 2.7
Region 7 (IA, KS, MO, NE)
Week Number of Facilities Reporting Total Number of ED Visits CLI Visits ILI Visits
Number Percent of Total Visits Number Percent of Total Visits
201940 223 84,483 848 1.0 973 1.2
201941 224 80,936 951 1.2 1,066 1.3
201942 225 84,314 1,236 1.5 1,376 1.6
201943 224 83,348 1,279 1.5 1,387 1.7
201944 224 78,882 1,253 1.6 1,331 1.7
201945 224 83,297 1,373 1.6 1,520 1.8
201946 222 80,944 1,456 1.8 1,533 1.9
201947 224 86,494 1,695 2.0 1,853 2.1
201948 224 81,835 1,893 2.3 2,061 2.5
201949 228 87,836 1,853 2.1 1,988 2.3
201950 222 86,957 2,101 2.4 2,307 2.7
201951 226 83,674 2,393 2.9 2,691 3.2
201952 228 91,536 2,968 3.2 3,413 3.7
202001 233 92,006 2,603 2.8 2,873 3.1
202002 230 84,481 1,858 2.2 2,025 2.4
202003 231 82,789 1,730 2.1 2,054 2.5
202004 232 82,318 1,698 2.1 2,079 2.5
202005 235 87,555 2,051 2.3 2,556 2.9
202006 236 87,734 2,191 2.5 2,720 3.1
202007 236 87,025 2,358 2.7 2,876 3.3
202008 237 89,883 2,343 2.6 2,788 3.1
202009 239 88,796 2,094 2.4 2,557 2.9
202010 242 88,231 2,066 2.3 2,420 2.7
202011 246 85,501 2,600 3.0 2,837 3.3
202012 248 70,364 3,175 4.5 3,131 4.4
202013 251 57,734 2,318 4.0 2,059 3.6
202014 250 50,660 1,515 3.0 1,278 2.5
Total 2,229,613 51,899 57,752
Region 8 (CO, MT, ND, SD, UT, WY)
Week Number of Facilities Reporting Total Number of ED Visits CLI Visits ILI Visits
Number Percent of Total Visits Number Percent of Total Visits
201940 149 47,344 279 0.6 285 0.6
201941 151 47,012 329 0.7 303 0.6
201942 149 47,881 343 0.7 333 0.7
201943 148 46,862 298 0.6 340 0.7
201944 154 45,990 340 0.7 316 0.7
201945 156 53,751 487 0.9 477 0.9
201946 156 54,367 472 0.9 484 0.9
201947 153 55,428 597 1.1 630 1.1
201948 155 52,869 698 1.3 751 1.4
201949 154 56,500 573 1.0 633 1.1
201950 159 56,029 648 1.2 765 1.4
201951 157 56,688 713 1.3 918 1.6
201952 154 59,648 1,177 2.0 1,513 2.5
202001 157 62,670 1,022 1.6 1,331 2.1
202002 157 59,992 909 1.5 1,128 1.9
202003 156 59,172 854 1.4 1,152 1.9
202004 157 61,329 1,033 1.7 1,374 2.2
202005 157 63,028 1,247 2.0 1,630 2.6
202006 161 60,658 1,082 1.8 1,405 2.3
202007 161 60,170 1,010 1.7 1,345 2.2
202008 158 60,739 1,071 1.8 1,392 2.3
202009 158 60,219 994 1.7 1,264 2.1
202010 160 60,986 1,175 1.9 1,467 2.4
202011 158 60,560 2,017 3.3 2,226 3.7
202012 157 49,220 2,468 5.0 2,325 4.7
202013 158 41,496 1,900 4.6 1,614 3.9
202014 158 36,827 1,527 4.1 1,193 3.2
Total 1,477,435 25,263 28,594
Region 9 (AZ, CA, GU, HI, NV)
Week Number of Facilities Reporting Total Number of ED Visits CLI Visits ILI Visits
Number Percent of Total Visits Number Percent of Total Visits
201940 135 130,052 1,059 0.8 1,113 0.9
201941 135 132,235 1,166 0.9 1,211 0.9
201942 136 132,244 1,332 1.0 1,375 1.0
201943 137 134,291 1,406 1.0 1,535 1.1
201944 137 133,206 1,529 1.1 1,653 1.2
201945 141 143,844 1,931 1.3 2,304 1.6
201946 142 147,599 2,059 1.4 2,685 1.8
201947 140 144,915 2,083 1.4 2,687 1.9
201948 140 126,361 2,043 1.6 2,527 2.0
201949 139 143,623 2,234 1.6 2,697 1.9
201950 139 145,169 2,199 1.5 2,724 1.9
201951 138 143,670 2,328 1.6 2,929 2.0
201952 140 135,988 3,084 2.3 4,018 3.0
202001 138 147,136 3,225 2.2 4,028 2.7
202002 140 153,859 2,630 1.7 3,411 2.2
202003 140 155,262 2,587 1.7 3,667 2.4
202004 139 157,373 3,201 2.0 4,290 2.7
202005 139 159,935 3,555 2.2 4,646 2.9
202006 138 154,342 3,217 2.1 4,209 2.7
202007 138 153,368 3,163 2.1 4,009 2.6
202008 138 156,550 3,087 2.0 3,885 2.5
202009 139 153,316 2,638 1.7 3,259 2.1
202010 139 150,380 3,034 2.0 3,659 2.4
202011 140 143,220 4,255 3.0 4,574 3.2
202012 138 110,499 5,488 5.0 5,096 4.6
202013 138 86,732 4,041 4.7 3,367 3.9
202014 138 76,153 3,133 4.1 2,482 3.3
Total 3,751,322 71,707 84,040
Region 10 (AK, ID, OR, WA)
Week Number of Facilities Reporting Total Number of ED Visits CLI Visits ILI Visits
Number Percent of Total Visits Number Percent of Total Visits
201940 187 90,302 491 0.5 482 0.5
201941 184 90,825 493 0.5 492 0.5
201942 189 91,807 554 0.6 596 0.6
201943 184 90,911 526 0.6 554 0.6
201944 186 86,757 529 0.6 579 0.7
201945 189 88,145 666 0.8 720 0.8
201946 188 93,981 814 0.9 931 1.0
201947 191 94,178 817 0.9 1,028 1.1
201948 191 90,690 984 1.1 1,315 1.4
201949 188 96,809 997 1.0 1,309 1.4
201950 189 97,291 1,260 1.3 1,750 1.8
201951 190 98,254 1,472 1.5 2,173 2.2
201952 189 102,118 1,997 2.0 2,925 2.9
202001 192 102,822 1,746 1.7 2,400 2.3
202002 194 96,838 1,151 1.2 1,519 1.6
202003 189 91,608 968 1.1 1,253 1.4
202004 189 96,547 1,056 1.1 1,402 1.5
202005 190 95,681 1,236 1.3 1,654 1.7
202006 190 93,768 1,200 1.3 1,459 1.6
202007 194 95,389 1,159 1.2 1,440 1.5
202008 191 96,643 1,265 1.3 1,513 1.6
202009 191 96,879 1,386 1.4 1,675 1.7
202010 192 96,177 2,392 2.5 2,903 3.0
202011 191 91,706 3,517 3.8 3,816 4.2
202012 191 76,249 3,935 5.2 3,850 5.0
202013 192 62,257 2,700 4.3 2,397 3.9
202014 189 55,508 1,714 3.1 1,386 2.5
Total 2,460,140 37,025 43,521