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

Emergency Department Visits Percentage of Visits for COVID-19-Like Illness (CLI) or Influenza-like Illness (ILI)

Emergency Department Visits Percentage of Visits for COVID-19-Like Illness (CLI) or Influenza-like Illness (ILI)
Updated July 17, 2020

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 – July 11, 2020
Data as of July 16, 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 3,346 2,148,198 23,040 1.1 19,667 0.9
201941 3,341 2,101,251 23,939 1.1 20,486 1.0
201942 3,345 2,091,911 26,276 1.3 22,505 1.1
201943 3,347 2,114,453 27,388 1.3 23,799 1.1
201944 3,361 2,071,586 29,105 1.4 25,433 1.2
201945 3,405 2,132,866 33,760 1.6 29,958 1.4
201946 3,414 2,129,121 36,262 1.7 32,626 1.5
201947 3,429 2,217,163 39,301 1.8 36,262 1.6
201948 3,432 2,105,725 43,076 2.0 39,939 1.9
201949 3,437 2,233,288 41,841 1.9 37,877 1.7
201950 3,438 2,247,357 44,087 2.0 42,688 1.9
201951 3,439 2,231,193 49,741 2.2 51,106 2.3
201952 3,444 2,338,834 64,475 2.8 68,862 2.9
202001 3,466 2,416,395 58,957 2.4 57,854 2.4
202002 3,470 2,301,247 43,568 1.9 42,860 1.9
202003 3,467 2,271,996 42,521 1.9 44,867 2.0
202004 3,485 2,269,649 46,215 2.0 49,880 2.2
202005 3,504 2,362,925 54,252 2.3 60,068 2.5
202006 3,500 2,351,315 53,425 2.3 59,414 2.5
202007 3,524 2,287,425 47,636 2.1 51,231 2.2
202008 3,524 2,272,549 44,226 1.9 46,279 2.0
202009 3,527 2,235,186 41,043 1.8 42,112 1.9
202010 3,543 2,265,247 49,739 2.2 50,230 2.2
202011 3,550 2,251,281 77,113 3.4 71,891 3.2
202012 3,547 1,807,520 108,175 6.0 84,956 4.7
202013 3,564 1,453,176 99,976 6.9 62,681 4.3
202014 3,561 1,265,121 87,475 6.9 44,082 3.5
202015 3,554 1,202,471 73,073 6.1 30,325 2.5
202016 3,561 1,181,107 59,363 5.0 21,480 1.8
202017 3,551 1,251,426 53,493 4.3 17,594 1.4
202018 3,562 1,308,081 49,135 3.8 14,997 1.1
202019 3,562 1,370,323 43,036 3.1 12,677 0.9
202020 3,562 1,419,666 39,476 2.8 11,884 0.8
202021 3,584 1,522,124 36,545 2.4 11,392 0.7
202022 3,605 1,615,681 32,827 2.0 10,137 0.6
202023 3,611 1,666,186 30,223 1.8 9,898 0.6
202024 3,613 1,741,194 32,413 1.9 10,660 0.6
202025 3,617 1,784,807 41,125 2.3 13,543 0.8
202026 3,626 1,877,662 56,584 3.0 17,517 0.9
202027 3,630 1,876,765 68,466 3.6 19,718 1.1
202028 3,615 1,934,575 68,527 3.5 20,479 1.1
Total 79,726,046 2,020,898 1,441,914