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

U.S. State and Local Public Health Laboratories Reporting to CDC

U.S. State and Local Public Health Laboratories Reporting to CDC
Updated Aug. 21, 2020
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This graph displays the number of respiratory specimens tested by age group and the percent positive for SARS-CoV-2 by age group reported to CDC by U.S. State and Local Public Health Laboratories.
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U.S. State and Local Public Health Laboratories Reporting to CDC
March 1, 2020 – August 15, 2020
Data as of August 20, 2020
Week No. of Labs Total 0-4 years 5-17 years 18-49 years 50-64 years 65+ years
Spec Tested # Pos % Pos Spec Tested # Pos % Pos Spec Tested # Pos % Pos Spec Tested # Pos % Pos Spec Tested # Pos % Pos Spec Tested # Pos % Pos
202010 79 8,295 973 11.7 228 10 4.4 586 42 7.2 3,179 318 10.0 1,972 247 12.5 2,151 330 15.3
202011 86 35,470 3,482 9.8 971 20 2.1 1,958 83 4.2 15,462 1,370 8.9 8,324 986 11.8 7,850 943 12.0
202012 87 69,383 6,810 9.8 1,561 36 2.3 2,315 86 3.7 31,683 2,650 8.4 16,041 1,810 11.3 16,229 2,088 12.9
202013 89 66,198 10,698 16.2 1,254 46 3.7 1,426 79 5.5 29,754 3,787 12.7 15,493 2,900 18.7 17,561 3,756 21.4
202014 89 78,861 13,941 17.7 1,123 64 5.7 1,452 170 11.7 34,557 4,479 13.0 18,708 3,597 19.2 22,477 5,536 24.6
202015 88 82,950 15,057 18.2 909 42 4.6 1,632 169 10.4 34,978 4,405 12.6 19,944 3,630 18.2 25,049 6,726 26.9
202016 86 84,296 15,216 18.1 787 64 8.1 1,477 146 9.9 36,287 5,260 14.5 19,207 3,328 17.3 26,144 6,345 24.3
202017 85 130,326 21,287 16.3 903 54 6.0 2,533 335 13.2 59,222 8,596 14.5 29,271 4,703 16.1 37,639 7,455 19.8
202018 86 150,821 19,316 12.8 1,188 108 9.1 3,945 474 12.0 66,146 8,022 12.1 34,523 4,111 11.9 44,388 6,531 14.7
202019 86 165,216 17,606 10.7 1,725 101 5.9 4,395 521 11.9 72,758 7,704 10.6 38,549 3,581 9.3 47,159 5,616 11.9
202020 87 182,809 15,248 8.3 1,394 104 7.5 5,126 506 9.9 78,764 6,900 8.8 41,764 2,968 7.1 55,252 4,707 8.5
202021 86 215,646 14,407 6.7 1,809 125 6.9 6,203 631 10.2 95,833 6,706 7.0 47,904 2,759 5.8 63,244 4,131 6.5
202022 86 224,517 12,505 5.6 1,632 145 8.9 6,266 632 10.1 100,210 5,873 5.9 50,168 2,382 4.7 65,779 3,464 5.3
202023 86 243,337 11,790 4.8 1,923 154 8.0 7,031 685 9.7 113,187 6,050 5.3 54,053 2,126 3.9 66,559 2,759 4.1
202024 87 249,825 12,513 5.0 2,174 209 9.6 8,349 886 10.6 118,825 6,669 5.6 53,435 2,195 4.1 66,454 2,536 3.8
202025 86 250,253 13,527 5.4 2,321 212 9.1 9,724 1,023 10.5 119,469 7,504 6.3 52,839 2,330 4.4 65,287 2,431 3.7
202026 87 269,378 17,164 6.4 2,847 273 9.6 11,873 1,343 11.3 135,298 10,011 7.4 56,867 2,766 4.9 61,964 2,738 4.4
202027 87 276,280 16,938 6.1 3,122 294 9.4 12,787 1,283 10.0 141,822 10,000 7.1 56,530 2,937 5.2 61,600 2,401 3.9
202028 87 340,440 25,774 7.6 4,373 387 8.8 17,205 1,869 10.9 177,077 14,965 8.5 70,113 4,591 6.5 71,291 3,932 5.5
202029 88 347,771 27,204 7.8 4,596 414 9.0 20,060 2,343 11.7 183,679 15,867 8.6 71,185 4,853 6.8 67,916 3,705 5.5
202030 88 297,522 25,231 8.5 3,980 473 11.9 17,369 2,255 13.0 157,996 14,361 9.1 60,438 4,491 7.4 57,483 3,629 6.3
202031 88 284,620 22,855 8.0 3,421 377 11.0 15,574 2,124 13.6 149,180 12,701 8.5 58,668 4,207 7.2 57,529 3,421 5.9
202032 85 283,303 19,984 7.1 3,266 367 11.2 14,734 1,786 12.1 151,468 11,045 7.3 59,522 3,715 6.2 54,048 3,042 5.6
202033 81 244,045 16,041 6.6 2,814 254 9.0 13,038 1,462 11.2 130,034 8,900 6.8 52,240 3,099 5.9 45,739 2,296 5.0
Total 4,581,562 375,567 8.2 50,321 4,333 8.6 187,058 20,933 11.2 2,236,868 184,143 8.2 987,758 74,312 7.5 1,106,792 90,518 8.2

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