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.
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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 May 29, 2020
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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 – May 23, 2020
Data as of May 28, 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 3,298 2,167,140 23,106 1.1 19,730 0.9
201941 3,292 2,121,928 24,058 1.1 20,604 1.0
201942 3,293 2,116,434 26,445 1.2 22,678 1.1
201943 3,298 2,137,496 27,534 1.3 23,929 1.1
201944 3,335 2,095,581 29,258 1.4 25,626 1.2
201945 3,347 2,144,048 33,912 1.6 30,137 1.4
201946 3,363 2,128,197 36,243 1.7 32,611 1.5
201947 3,373 2,216,056 39,284 1.8 36,246 1.6
201948 3,375 2,104,677 43,048 2.0 39,916 1.9
201949 3,378 2,231,929 41,812 1.9 37,855 1.7
201950 3,384 2,245,846 44,031 2.0 42,638 1.9
201951 3,380 2,229,489 49,678 2.2 51,049 2.3
201952 3,384 2,336,323 64,398 2.8 68,769 2.9
202001 3,404 2,413,619 58,841 2.4 57,747 2.4
202002 3,402 2,298,133 43,464 1.9 42,739 1.9
202003 3,404 2,268,769 42,413 1.9 44,737 2.0
202004 3,422 2,266,469 46,105 2.0 49,735 2.2
202005 3,437 2,358,898 54,098 2.3 59,867 2.5
202006 3,435 2,347,167 53,260 2.3 59,167 2.5
202007 3,453 2,281,295 47,487 2.1 51,041 2.2
202008 3,451 2,265,901 44,102 1.9 46,107 2.0
202009 3,460 2,229,988 40,884 1.8 41,922 1.9
202010 3,472 2,257,934 49,502 2.2 49,992 2.2
202011 3,468 2,243,633 76,818 3.4 71,578 3.2
202012 3,472 1,800,547 107,642 6.0 84,540 4.7
202013 3,476 1,446,522 99,501 6.9 62,411 4.3
202014 3,479 1,259,848 86,980 6.9 43,866 3.5
202015 3,467 1,198,316 72,660 6.1 30,189 2.5
202016 3,470 1,176,701 58,920 5.0 21,369 1.8
202017 3,460 1,246,221 52,987 4.3 17,501 1.4
202018 3,466 1,302,042 48,508 3.7 14,906 1.1
202019 3,465 1,363,543 42,116 3.1 12,595 0.9
202020 3,460 1,411,119 37,698 2.7 11,800 0.8
202021 3,471 1,505,300 32,411 2.2 11,204 0.7
Total 67,217,109 1,679,204 1,336,801

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