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 3, 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 – June 27, 2020
Data as of July 2, 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 3,341 2,147,335 23,036 1.1 19,661 0.9
201941 3,336 2,101,116 23,939 1.1 20,486 1.0
201942 3,338 2,091,760 26,273 1.3 22,504 1.1
201943 3,339 2,114,281 27,388 1.3 23,799 1.1
201944 3,356 2,071,441 29,103 1.4 25,431 1.2
201945 3,400 2,132,693 33,754 1.6 29,955 1.4
201946 3,411 2,128,973 36,257 1.7 32,622 1.5
201947 3,425 2,216,991 39,296 1.8 36,255 1.6
201948 3,427 2,105,543 43,064 2.0 39,931 1.9
201949 3,433 2,233,098 41,838 1.9 37,874 1.7
201950 3,434 2,247,136 44,083 2.0 42,685 1.9
201951 3,434 2,230,978 49,733 2.2 51,100 2.3
201952 3,437 2,338,602 64,466 2.8 68,852 2.9
202001 3,460 2,416,115 58,945 2.4 57,847 2.4
202002 3,465 2,300,933 43,565 1.9 42,854 1.9
202003 3,463 2,271,676 42,516 1.9 44,857 2.0
202004 3,482 2,269,312 46,204 2.0 49,868 2.2
202005 3,499 2,362,551 54,235 2.3 60,050 2.5
202006 3,496 2,350,789 53,401 2.3 59,382 2.5
202007 3,518 2,286,875 47,608 2.1 51,202 2.2
202008 3,516 2,271,950 44,214 1.9 46,255 2.0
202009 3,524 2,234,438 41,017 1.8 42,090 1.9
202010 3,537 2,264,630 49,710 2.2 50,208 2.2
202011 3,545 2,250,659 77,082 3.4 71,857 3.2
202012 3,543 1,806,765 108,115 6.0 84,913 4.7
202013 3,560 1,452,232 99,880 6.9 62,610 4.3
202014 3,556 1,264,404 87,413 6.9 44,044 3.5
202015 3,550 1,202,080 73,039 6.1 30,319 2.5
202016 3,549 1,180,635 59,325 5.0 21,467 1.8
202017 3,540 1,250,578 53,424 4.3 17,574 1.4
202018 3,549 1,307,103 49,075 3.8 14,984 1.1
202019 3,550 1,369,275 42,968 3.1 12,668 0.9
202020 3,550 1,418,801 39,390 2.8 11,873 0.8
202021 3,572 1,521,223 36,449 2.4 11,380 0.7
202022 3,590 1,615,013 32,707 2.0 10,123 0.6
202023 3,597 1,665,502 29,962 1.8 9,884 0.6
202024 3,599 1,739,997 31,983 1.8 10,643 0.6
202025 3,603 1,782,286 40,123 2.3 13,512 0.8
202026 3,608 1,865,333 50,634 2.7 17,338 0.9
Total 75,881,102 1,875,214 1,400,957