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 Sept. 25, 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 – September 26, 2020
Data as of October 1, 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 3,379 2,151,197 22,623 1.1 19,691 0.9
201941 3,376 2,104,876 23,498 1.1 20,506 1
201942 3,379 2,095,342 25,763 1.2 22,529 1.1
201943 3,377 2,118,009 26,892 1.3 23,829 1.1
201944 3,394 2,075,054 28,646 1.4 25,471 1.2
201945 3,435 2,136,331 33,212 1.6 30,001 1.4
201946 3,440 2,132,633 35,739 1.7 32,665 1.5
201947 3,460 2,220,768 38,773 1.7 36,298 1.6
201948 3,461 2,109,320 42,545 2 39,997 1.9
201949 3,470 2,237,101 41,255 1.8 37,941 1.7
201950 3,472 2,251,226 43,524 1.9 42,758 1.9
201951 3,474 2,235,072 49,167 2.2 51,208 2.3
201952 3,470 2,343,926 63,878 2.7 69,054 2.9
202001 3,509 2,427,673 58,535 2.4 58,236 2.4
202002 3,514 2,315,649 43,212 1.9 43,209 1.9
202003 3,510 2,285,882 42,222 1.8 45,265 2
202004 3,536 2,283,552 45,940 2 50,286 2.2
202005 3,545 2,377,659 53,890 2.3 60,487 2.5
202006 3,553 2,366,026 53,114 2.2 59,843 2.5
202007 3,569 2,301,703 47,323 2.1 51,619 2.2
202008 3,568 2,287,284 43,880 1.9 46,640 2
202009 3,576 2,249,490 40,676 1.8 42,443 1.9
202010 3,587 2,280,239 49,339 2.2 50,658 2.2
202011 3,596 2,266,468 76,370 3.4 72,473 3.2
202012 3,589 1,820,928 106,841 5.9 85,621 4.7
202013 3,606 1,463,829 98,599 6.7 63,149 4.3
202014 3,608 1,274,138 86,271 6.8 44,378 3.5
202015 3,599 1,211,176 72,245 6 30,571 2.5
202016 3,601 1,189,724 58,649 4.9 21,717 1.8
202017 3,589 1,260,088 52,988 4.2 17,805 1.4
202018 3,596 1,316,468 48,772 3.7 15,201 1.2
202019 3,593 1,378,821 42,688 3.1 12,817 0.9
202020 3,596 1,428,717 39,074 2.7 11,995 0.8
202021 3,618 1,531,229 36,254 2.4 11,514 0.8
202022 3,643 1,624,431 32,669 2 10,209 0.6
202023 3,644 1,673,631 30,400 1.8 9,975 0.6
202024 3,647 1,748,814 32,631 1.9 10,723 0.6
202025 3,653 1,793,322 41,805 2.3 13,636 0.8
202026 3,664 1,887,610 57,988 3.1 17,677 0.9
202027 3,666 1,892,936 72,677 3.8 19,975 1.1
202028 3,663 1,988,128 82,895 4.2 21,482 1.1
202029 3,665 1,946,401 79,557 4.1 20,025 1
202030 3,664 1,908,155 70,544 3.7 16,908 0.9
202031 3,663 1,896,042 63,252 3.3 15,602 0.8
202032 3,676 1,879,420 56,364 3 14,047 0.7
202033 3,675 1,911,660 49,578 2.6 13,340 0.7
202034 3,682 1,897,755 44,102 2.3 12,940 0.7
202035 3,684 1,901,179 40,799 2.1 12,706 0.7
202036 3,674 1,894,102 37,764 2 12,316 0.7
202037 3,673 1,907,182 36,561 1.9 12,955 0.7
202038 3,688 1,896,821 33,856 1.8 12,704 0.7
Total 99,175,187 2,535,839 1,595,095