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 June 12, 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 6, 2020
Data as of June 11, 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 3,328 2,167,522 23,109 1.1 19,731 0.9
201941 3,321 2,122,370 24,062 1.1 20,607 1.0
201942 3,330 2,116,873 26,446 1.2 22,678 1.1
201943 3,327 2,137,965 27,534 1.3 23,930 1.1
201944 3,364 2,096,045 29,262 1.4 25,628 1.2
201945 3,380 2,144,483 33,916 1.6 30,138 1.4
201946 3,393 2,128,623 36,246 1.7 32,614 1.5
201947 3,407 2,216,504 39,286 1.8 36,249 1.6
201948 3,407 2,105,139 43,055 2.0 39,923 1.9
201949 3,410 2,232,432 41,826 1.9 37,863 1.7
201950 3,419 2,246,358 44,039 2.0 42,642 1.9
201951 3,417 2,230,108 49,688 2.2 51,057 2.3
201952 3,418 2,337,388 64,417 2.8 68,795 2.9
202001 3,439 2,414,783 58,874 2.4 57,785 2.4
202002 3,440 2,299,607 43,510 1.9 42,798 1.9
202003 3,436 2,270,254 42,443 1.9 44,792 2.0
202004 3,465 2,267,926 46,142 2.0 49,804 2.2
202005 3,478 2,360,675 54,135 2.3 59,928 2.5
202006 3,470 2,348,757 53,301 2.3 59,253 2.5
202007 3,493 2,283,017 47,526 2.1 51,115 2.2
202008 3,492 2,268,137 44,150 1.9 46,193 2.0
202009 3,502 2,232,604 40,946 1.8 42,026 1.9
202010 3,513 2,260,163 49,565 2.2 50,071 2.2
202011 3,520 2,245,847 76,904 3.4 71,681 3.2
202012 3,513 1,802,175 107,837 6.0 84,679 4.7
202013 3,528 1,447,991 99,678 6.9 62,520 4.3
202014 3,528 1,261,871 87,240 6.9 43,989 3.5
202015 3,520 1,200,206 72,899 6.1 30,277 2.5
202016 3,522 1,178,788 59,175 5.0 21,427 1.8
202017 3,512 1,248,573 53,272 4.3 17,545 1.4
202018 3,520 1,304,968 48,857 3.7 14,947 1.1
202019 3,517 1,367,002 42,697 3.1 12,632 0.9
202020 3,522 1,416,036 38,991 2.8 11,846 0.8
202021 3,537 1,517,612 35,883 2.4 11,326 0.7
202022 3,563 1,611,265 31,727 2.0 10,065 0.6
202023 3,560 1,654,968 27,061 1.6 9,789 0.6
Total 70,545,035 1,745,699 1,358,343