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 10, 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 4, 2020
Data as of July 9, 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 3,343 2,147,390 23,036 1.1 19,661 0.9
201941 3,340 2,101,183 23,939 1.1 20,486 1.0
201942 3,342 2,091,824 26,273 1.3 22,504 1.1
201943 3,343 2,114,358 27,388 1.3 23,799 1.1
201944 3,358 2,071,510 29,105 1.4 25,433 1.2
201945 3,403 2,132,788 33,758 1.6 29,957 1.4
201946 3,412 2,129,046 36,261 1.7 32,625 1.5
201947 3,427 2,217,069 39,297 1.8 36,256 1.6
201948 3,428 2,105,630 43,066 2.0 39,933 1.9
201949 3,435 2,233,175 41,839 1.9 37,876 1.7
201950 3,436 2,247,258 44,083 2.0 42,685 1.9
201951 3,436 2,231,087 49,736 2.2 51,103 2.3
201952 3,439 2,338,718 64,470 2.8 68,856 2.9
202001 3,464 2,416,258 58,950 2.4 57,849 2.4
202002 3,469 2,301,088 43,567 1.9 42,857 1.9
202003 3,464 2,271,839 42,519 1.9 44,863 2.0
202004 3,484 2,269,497 46,209 2.0 49,872 2.2
202005 3,501 2,362,739 54,240 2.3 60,058 2.5
202006 3,498 2,351,096 53,406 2.3 59,390 2.5
202007 3,522 2,287,136 47,619 2.1 51,212 2.2
202008 3,520 2,272,262 44,218 1.9 46,265 2.0
202009 3,526 2,234,785 41,025 1.8 42,097 1.9
202010 3,538 2,264,902 49,718 2.2 50,214 2.2
202011 3,548 2,250,982 77,093 3.4 71,873 3.2
202012 3,544 1,807,251 108,151 6.0 84,942 4.7
202013 3,563 1,452,878 99,933 6.9 62,655 4.3
202014 3,558 1,264,617 87,433 6.9 44,053 3.5
202015 3,553 1,202,289 73,052 6.1 30,323 2.5
202016 3,552 1,180,840 59,348 5.0 21,476 1.8
202017 3,542 1,250,909 53,453 4.3 17,583 1.4
202018 3,553 1,307,493 49,093 3.8 14,985 1.1
202019 3,553 1,369,513 42,996 3.1 12,671 0.9
202020 3,552 1,419,043 39,429 2.8 11,876 0.8
202021 3,573 1,521,493 36,505 2.4 11,385 0.7
202022 3,594 1,615,293 32,789 2.0 10,134 0.6
202023 3,600 1,665,902 30,142 1.8 9,895 0.6
202024 3,603 1,740,536 32,246 1.9 10,651 0.6
202025 3,606 1,784,005 40,802 2.3 13,533 0.8
202026 3,615 1,875,737 55,418 3.0 17,475 0.9
202027 3,612 1,865,914 60,590 3.2 19,454 1.0
Total 77,767,333 1,942,195 1,420,815