Important update: Healthcare facilities
CDC has updated select ways to operate healthcare systems effectively in response to COVID-19 vaccination.
Learn more
Find the latest information:
Recommendations for Fully Vaccinated People
COVID-19 Homepage
Recommendations for Fully Vaccinated People
COVID-19 Homepage
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](./ilnet-age-data_html_files/COVIDView.jpg)
U.S. Outpatient Influenza-like Illness Surveillance Network (ILINet): Percentage of Visits for ILI by Age Group Reported by A Subset of ILINet Providers September 29, 2019 – April 4, 2020 Data as of April 9, 2020
U.S. Outpatient Influenza-like Illness Surveillance Network (ILINet): Percentage of Visits for ILI by Age Group Reported by A Subset of ILINet Providers September 29, 2019 - April 4, 2020 Data as of April 9, 2020
![percent-ili-visits This graph displays the percentage of visits for influenza-like-illness (ILI) by age group reported to CDC by the U.S. Outpatient Influenza-like Illness Surveillance Network (ILINet).](./ilnet-age-data_html_files/percent-ili-visits.png)
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 – April 11, 2020 Data as of April 16, 2020
Week | 0-4 years | 5-24 years | 25-49 years | 50-64 years | 65+ years | |||||
Total Visits | % ILI | Total Visits | % ILI | Total Visits | % ILI | Total Visits | % ILI | Total Visits | % ILI | |
201940 | 56,511 | 6.0 | 172,877 | 2.4 | 250,271 | 1.2 | 135,453 | 0.7 | 151,130 | 0.5 |
201941 | 58,900 | 6.2 | 171,817 | 2.4 | 248,234 | 1.3 | 137,075 | 0.8 | 155,136 | 0.6 |
201942 | 60,095 | 6.8 | 167,207 | 2.7 | 243,049 | 1.4 | 135,560 | 0.9 | 154,866 | 0.6 |
201943 | 61,228 | 7.1 | 176,476 | 2.9 | 250,335 | 1.5 | 139,567 | 0.9 | 158,388 | 0.6 |
201944 | 63,633 | 7.4 | 171,960 | 3.1 | 246,142 | 1.5 | 133,692 | 0.9 | 152,099 | 0.6 |
201945 | 66,353 | 8.4 | 174,266 | 3.7 | 243,709 | 1.7 | 133,263 | 1.0 | 152,172 | 0.6 |
201946 | 67,387 | 9.3 | 170,435 | 4.2 | 241,212 | 2.0 | 131,683 | 1.2 | 148,402 | 0.7 |
201947 | 73,442 | 9.7 | 177,411 | 5.0 | 253,835 | 2.2 | 139,061 | 1.3 | 154,298 | 0.8 |
201948 | 74,482 | 11.1 | 153,027 | 5.3 | 232,143 | 2.4 | 127,239 | 1.4 | 148,442 | 0.9 |
201949 | 73,402 | 10.6 | 175,342 | 4.9 | 255,947 | 2.8 | 137,089 | 1.6 | 156,155 | 1.0 |
201950 | 76,216 | 10.8 | 183,825 | 6.1 | 255,325 | 3.0 | 138,113 | 1.7 | 155,885 | 1.0 |
201951 | 81,520 | 12.4 | 183,593 | 8.3 | 252,285 | 3.7 | 135,369 | 1.9 | 155,745 | 1.2 |
201952 | 90,525 | 15.9 | 170,504 | 11.5 | 259,122 | 5.9 | 141,047 | 3.2 | 165,546 | 2.0 |
202001 | 86,829 | 14.7 | 162,965 | 8.3 | 279,963 | 5.9 | 149,120 | 3.5 | 169,822 | 2.4 |
202002 | 72,376 | 12.3 | 173,071 | 7.0 | 273,229 | 5.1 | 147,065 | 3.1 | 164,818 | 1.9 |
202003 | 73,404 | 12.7 | 183,417 | 8.1 | 266,032 | 4.8 | 143,273 | 2.9 | 159,818 | 1.7 |
202004 | 75,537 | 13.8 | 186,094 | 9.4 | 265,699 | 5.3 | 142,068 | 3.2 | 157,548 | 1.7 |
202005 | 78,816 | 14.6 | 208,539 | 10.5 | 277,528 | 6.3 | 144,784 | 3.9 | 160,096 | 2.0 |
202006 | 78,453 | 15.0 | 208,067 | 11.1 | 275,471 | 6.8 | 146,330 | 4.1 | 159,203 | 2.1 |
202007 | 75,501 | 13.5 | 196,708 | 9.7 | 273,952 | 6.1 | 148,062 | 3.8 | 162,546 | 2.0 |
202008 | 68,204 | 13.1 | 174,365 | 8.6 | 250,614 | 5.7 | 136,485 | 3.8 | 151,120 | 2.1 |
202009 | 67,915 | 11.8 | 179,907 | 7.4 | 261,277 | 5.4 | 142,026 | 3.6 | 157,868 | 2.0 |
202010 | 69,187 | 11.7 | 188,447 | 7.4 | 270,552 | 5.5 | 147,110 | 3.7 | 162,308 | 2.2 |
202011 | 66,162 | 12.5 | 184,799 | 8.5 | 273,844 | 6.8 | 143,218 | 4.9 | 149,445 | 2.7 |
202012 | 45,361 | 14.0 | 117,778 | 8.6 | 229,570 | 7.8 | 115,357 | 6.3 | 108,923 | 3.8 |
202013 | 29,107 | 10.4 | 83,138 | 5.7 | 193,714 | 6.4 | 98,986 | 5.9 | 94,259 | 3.8 |
202014 | 21,250 | 6.3 | 70,025 | 4.1 | 168,803 | 5.1 | 89,790 | 5.2 | 86,652 | 3.3 |
202015 | 19,073 | 4.3 | 65,983 | 2.9 | 155,268 | 3.7 | 87,085 | 3.9 | 87,572 | 2.6 |
Totals | 1,830,869 | 4,632,043 | 6,947,125 | 3,744,970 | 4,140,262 |