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 Aug. 28, 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 – August 22, 2020
Data as of August 27, 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 3,370 2,150,755 23,062 1.1 19,688 0.9
201941 3,365 2,104,421 23,968 1.1 20,504 1.0
201942 3,368 2,094,910 26,304 1.3 22,527 1.1
201943 3,366 2,117,555 27,419 1.3 23,822 1.1
201944 3,387 2,074,637 29,143 1.4 25,467 1.2
201945 3,427 2,135,895 33,801 1.6 29,992 1.4
201946 3,433 2,132,209 36,304 1.7 32,662 1.5
201947 3,453 2,220,301 39,343 1.8 36,295 1.6
201948 3,453 2,108,889 43,136 2.0 39,991 1.9
201949 3,460 2,236,619 41,905 1.9 37,935 1.7
201950 3,459 2,250,757 44,142 2.0 42,752 1.9
201951 3,464 2,234,618 49,818 2.2 51,202 2.3
201952 3,464 2,343,374 64,606 2.8 69,031 2.9
202001 3,499 2,425,621 59,233 2.4 58,188 2.4
202002 3,503 2,312,934 43,831 1.9 43,177 1.9
202003 3,499 2,283,156 42,801 1.9 45,216 2.0
202004 3,526 2,280,806 46,508 2.0 50,233 2.2
202005 3,534 2,374,818 54,558 2.3 60,432 2.5
202006 3,538 2,363,172 53,730 2.3 59,811 2.5
202007 3,558 2,298,924 47,915 2.1 51,578 2.2
202008 3,557 2,284,515 44,497 1.9 46,617 2.0
202009 3,564 2,246,683 41,285 1.8 42,407 1.9
202010 3,577 2,277,365 50,035 2.2 50,595 2.2
202011 3,582 2,263,636 77,572 3.4 72,391 3.2
202012 3,578 1,818,309 108,879 6.0 85,492 4.7
202013 3,596 1,461,537 100,702 6.9 63,029 4.3
202014 3,593 1,272,179 88,278 6.9 44,318 3.5
202015 3,589 1,209,382 73,987 6.1 30,520 2.5
202016 3,589 1,187,905 60,297 5.1 21,688 1.8
202017 3,580 1,258,183 54,510 4.3 17,783 1.4
202018 3,586 1,314,463 50,216 3.8 15,179 1.2
202019 3,582 1,376,650 44,048 3.2 12,793 0.9
202020 3,584 1,426,555 40,495 2.8 11,971 0.8
202021 3,606 1,528,934 37,726 2.5 11,498 0.8
202022 3,629 1,622,226 34,023 2.1 10,196 0.6
202023 3,632 1,671,466 31,528 1.9 9,951 0.6
202024 3,632 1,746,586 33,925 1.9 10,702 0.6
202025 3,638 1,790,985 43,018 2.4 13,625 0.8
202026 3,650 1,885,148 59,338 3.1 17,660 0.9
202027 3,652 1,890,425 73,943 3.9 19,948 1.1
202028 3,647 1,985,964 84,241 4.2 21,456 1.1
202029 3,647 1,944,568 80,579 4.1 19,997 1.0
202030 3,645 1,907,032 71,419 3.7 16,875 0.9
202031 3,642 1,893,901 63,886 3.4 15,575 0.8
202032 3,643 1,875,197 56,571 3.0 14,020 0.7
202033 3,640 1,903,722 48,947 2.6 13,282 0.7
202034 3,632 1,879,725 40,462 2.2 12,841 0.7
Total 91,467,612 2,425,934 1,542,912