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. 7, 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 1, 2020
Data as of August 6, 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 3,355 2,150,268 23,060 1.1 19,685 0.9
201941 3,352 2,104,027 23,965 1.1 20,504 1.0
201942 3,355 2,094,512 26,297 1.3 22,523 1.1
201943 3,354 2,117,166 27,415 1.3 23,818 1.1
201944 3,371 2,074,226 29,138 1.4 25,463 1.2
201945 3,413 2,135,475 33,793 1.6 29,986 1.4
201946 3,423 2,131,784 36,294 1.7 32,654 1.5
201947 3,437 2,219,777 39,333 1.8 36,286 1.6
201948 3,441 2,108,363 43,127 2.0 39,984 1.9
201949 3,446 2,236,045 41,890 1.9 37,921 1.7
201950 3,447 2,250,104 44,119 2.0 42,724 1.9
201951 3,449 2,233,889 49,792 2.2 51,161 2.3
201952 3,453 2,341,883 64,533 2.8 68,928 2.9
202001 3,477 2,420,927 59,069 2.4 57,997 2.4
202002 3,479 2,306,328 43,680 1.9 43,014 1.9
202003 3,478 2,276,926 42,653 1.9 45,049 2.0
202004 3,500 2,274,551 46,354 2.0 50,048 2.2
202005 3,511 2,367,949 54,379 2.3 60,240 2.5
202006 3,514 2,356,397 53,551 2.3 59,600 2.5
202007 3,534 2,292,486 47,766 2.1 51,401 2.2
202008 3,534 2,277,868 44,345 1.9 46,438 2.0
202009 3,538 2,240,303 41,162 1.8 42,233 1.9
202010 3,554 2,270,709 49,869 2.2 50,392 2.2
202011 3,559 2,256,575 77,312 3.4 72,090 3.2
202012 3,556 1,812,585 108,480 6.0 85,189 4.7
202013 3,572 1,456,678 100,195 6.9 62,807 4.3
202014 3,570 1,267,859 87,648 6.9 44,160 3.5
202015 3,565 1,205,289 73,248 6.1 30,380 2.5
202016 3,576 1,183,983 59,550 5.0 21,537 1.8
202017 3,566 1,254,143 53,642 4.3 17,638 1.4
202018 3,573 1,309,881 49,256 3.8 15,028 1.1
202019 3,570 1,371,920 43,144 3.1 12,692 0.9
202020 3,572 1,421,950 39,578 2.8 11,904 0.8
202021 3,594 1,524,529 36,680 2.4 11,423 0.7
202022 3,615 1,617,872 32,936 2.0 10,150 0.6
202023 3,620 1,667,237 30,339 1.8 9,918 0.6
202024 3,620 1,742,249 32,571 1.9 10,675 0.6
202025 3,626 1,786,840 41,581 2.3 13,583 0.8
202026 3,636 1,880,632 57,672 3.1 17,608 0.9
202027 3,640 1,885,117 71,808 3.8 19,883 1.1
202028 3,629 1,980,137 81,333 4.1 21,369 1.1
202029 3,627 1,939,211 77,422 4.0 19,945 1.0
202030 3,624 1,900,510 66,992 3.5 16,810 0.9
202031 3,612 1,869,491 55,089 2.9 15,292 0.8
Total 85,616,651 2,242,060 1,498,130