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. 14, 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 8, 2020
Data as of August 13, 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 3,362 2,150,377 23,059 1.1 19,685 0.9
201941 3,360 2,104,146 23,966 1.1 20,504 1.0
201942 3,363 2,094,631 26,299 1.3 22,524 1.1
201943 3,362 2,117,258 27,415 1.3 23,818 1.1
201944 3,380 2,074,350 29,141 1.4 25,465 1.2
201945 3,423 2,135,588 33,797 1.6 29,990 1.4
201946 3,429 2,131,899 36,298 1.7 32,657 1.5
201947 3,446 2,219,900 39,334 1.8 36,289 1.6
201948 3,447 2,108,467 43,128 2.0 39,985 1.9
201949 3,455 2,236,194 41,894 1.9 37,926 1.7
201950 3,455 2,250,239 44,123 2.0 42,728 1.9
201951 3,456 2,234,018 49,797 2.2 51,170 2.3
201952 3,461 2,342,033 64,537 2.8 68,933 2.9
202001 3,487 2,421,123 59,076 2.4 58,005 2.4
202002 3,490 2,306,522 43,686 1.9 43,020 1.9
202003 3,487 2,277,116 42,655 1.9 45,053 2.0
202004 3,511 2,274,774 46,360 2.0 50,053 2.2
202005 3,521 2,368,182 54,386 2.3 60,247 2.5
202006 3,525 2,356,625 53,553 2.3 59,604 2.5
202007 3,545 2,292,709 47,771 2.1 51,406 2.2
202008 3,543 2,278,076 44,353 1.9 46,443 2.0
202009 3,547 2,240,526 41,163 1.8 42,236 1.9
202010 3,564 2,271,001 49,880 2.2 50,401 2.2
202011 3,569 2,257,058 77,330 3.4 72,102 3.2
202012 3,566 1,812,883 108,504 6.0 85,214 4.7
202013 3,582 1,456,919 100,220 6.9 62,820 4.3
202014 3,580 1,268,074 87,659 6.9 44,166 3.5
202015 3,575 1,205,485 73,254 6.1 30,383 2.5
202016 3,578 1,184,187 59,561 5.0 21,546 1.8
202017 3,569 1,254,387 53,648 4.3 17,642 1.4
202018 3,575 1,310,400 49,277 3.8 15,040 1.1
202019 3,571 1,372,179 43,153 3.1 12,693 0.9
202020 3,573 1,422,152 39,580 2.8 11,905 0.8
202021 3,596 1,524,788 36,694 2.4 11,424 0.7
202022 3,617 1,618,126 32,948 2.0 10,151 0.6
202023 3,621 1,667,505 30,353 1.8 9,921 0.6
202024 3,621 1,742,470 32,592 1.9 10,675 0.6
202025 3,627 1,787,116 41,601 2.3 13,587 0.8
202026 3,638 1,881,111 57,734 3.1 17,622 0.9
202027 3,642 1,885,801 71,959 3.8 19,901 1.1
202028 3,633 1,980,984 81,828 4.1 21,396 1.1
202029 3,634 1,939,904 77,884 4.0 19,953 1.0
202030 3,631 1,901,916 68,076 3.6 16,820 0.9
202031 3,626 1,877,508 59,234 3.2 15,370 0.8
202032 3,625 1,860,415 48,850 2.6 13,896 0.7
Total 87,497,122 2,297,610 1,512,369