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 Sept. 4, 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 29, 2020
Data as of September 3, 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 80 8,297 973 11.7 227 10 4.4 586 42 7.2 3,180 318 10.0 1,973 247 12.5 2,152 330 15.3
202011 86 35,673 3,484 9.8 976 20 2.0 1,966 83 4.2 15,547 1,371 8.8 8,378 986 11.8 7,902 944 11.9
202012 87 69,707 6,824 9.8 1,576 35 2.2 2,328 87 3.7 31,820 2,655 8.3 16,115 1,816 11.3 16,312 2,091 12.8
202013 89 66,518 10,757 16.2 1,267 48 3.8 1,434 80 5.6 29,893 3,812 12.8 15,577 2,917 18.7 17,639 3,771 21.4
202014 89 79,546 14,105 17.7 1,129 64 5.7 1,459 170 11.7 34,898 4,566 13.1 18,865 3,642 19.3 22,653 5,568 24.6
202015 88 83,195 15,085 18.1 913 42 4.6 1,638 168 10.3 35,079 4,420 12.6 20,004 3,639 18.2 25,121 6,731 26.8
202016 87 84,668 15,292 18.1 800 66 8.3 1,482 148 10.0 36,421 5,276 14.5 19,293 3,350 17.4 26,276 6,379 24.3
202017 86 130,701 21,351 16.3 914 55 6.0 2,544 334 13.1 59,356 8,617 14.5 29,352 4,719 16.1 37,780 7,482 19.8
202018 87 151,182 19,396 12.8 1,195 108 9.0 3,952 478 12.1 66,320 8,052 12.1 34,592 4,121 11.9 44,490 6,567 14.8
202019 87 165,631 17,645 10.7 1,731 104 6.0 4,410 524 11.9 73,009 7,730 10.6 38,640 3,595 9.3 47,215 5,608 11.9
202020 89 183,635 15,368 8.4 1,417 108 7.6 5,154 516 10.0 79,224 6,990 8.8 41,968 2,998 7.1 55,367 4,693 8.5
202021 88 218,652 14,482 6.6 1,827 125 6.8 6,245 634 10.2 97,091 6,753 7.0 48,594 2,775 5.7 64,244 4,140 6.4
202022 88 227,480 12,615 5.5 1,639 147 9.0 6,293 636 10.1 101,334 5,911 5.8 50,699 2,402 4.7 67,060 3,510 5.2
202023 88 248,377 11,871 4.8 1,941 161 8.3 7,051 689 9.8 114,987 6,088 5.3 55,037 2,138 3.9 68,775 2,779 4.0
202024 89 253,910 12,600 5.0 2,190 210 9.6 8,392 889 10.6 120,314 6,713 5.6 54,192 2,216 4.1 68,237 2,554 3.7
202025 88 253,509 13,757 5.4 2,342 214 9.1 9,809 1,036 10.6 120,911 7,644 6.3 53,524 2,367 4.4 66,312 2,470 3.7
202026 89 271,243 17,307 6.4 2,868 274 9.6 11,955 1,346 11.3 136,198 10,100 7.4 57,207 2,796 4.9 62,484 2,758 4.4
202027 90 278,771 17,201 6.2 3,147 299 9.5 12,907 1,301 10.1 143,106 10,155 7.1 57,072 2,991 5.2 62,120 2,432 3.9
202028 90 345,823 26,435 7.6 4,420 399 9.0 17,532 1,933 11.0 179,819 15,346 8.5 71,323 4,728 6.6 72,351 3,999 5.5
202029 90 357,571 28,199 7.9 4,726 440 9.3 20,776 2,439 11.7 188,570 16,449 8.7 73,457 5,031 6.8 69,712 3,817 5.5
202030 90 309,586 26,321 8.5 4,140 492 11.9 18,278 2,370 13.0 164,551 15,020 9.1 63,055 4,676 7.4 59,298 3,741 6.3
202031 90 291,895 23,713 8.1 3,540 398 11.2 16,165 2,211 13.7 153,039 13,191 8.6 60,159 4,345 7.2 58,741 3,543 6.0
202032 89 293,629 21,025 7.2 3,405 399 11.7 15,458 1,923 12.4 156,766 11,635 7.4 61,730 3,865 6.3 56,002 3,173 5.7
202033 87 278,385 18,672 6.7 3,197 312 9.8 14,754 1,738 11.8 150,102 10,348 6.9 58,333 3,535 6.1 51,793 2,707 5.2
202034 88 265,016 16,313 6.2 2,812 270 9.6 13,363 1,422 10.6 145,906 9,063 6.2 56,179 2,960 5.3 46,522 2,578 5.5
202035 87 230,627 14,628 6.3 2,689 229 8.5 13,842 1,342 9.7 124,502 8,500 6.8 47,396 2,532 5.3 42,029 2,015 4.8
Total 5,183,227 415,419 8.0 57,028 5,029 8.8 219,773 24,539 11.2 2,561,943 206,723 8.1 1,112,714 81,387 7.3 1,218,587 96,380 7.9

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