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. 18, 2020
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.

U.S. State and Local Public Health Laboratories Reporting to CDC
March 1, 2020 – September 12, 2020
Data as of September 17, 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 11.7 228 10 4.4 586 42 7.2 3,179 318 10 1,973 247 12.5 2,153 331 15.4
202011 86 35,674 3,484 9.8 975 20 2.1 1,966 83 4.2 15,549 1,371 8.8 8,379 986 11.8 7,902 944 11.9
202012 87 69,707 6,824 9.8 1,576 36 2.3 2,328 87 3.7 31,820 2,654 8.3 16,115 1,816 11.3 16,312 2,091 12.8
202013 89 66,523 10,757 16.2 1,265 47 3.7 1,433 80 5.6 29,896 3,812 12.8 15,579 2,917 18.7 17,640 3,771 21.4
202014 89 79,548 14,103 17.7 1,128 64 5.7 1,459 170 11.7 34,902 4,565 13.1 18,865 3,642 19.3 22,651 5,567 24.6
202015 88 83,211 15,090 18.1 915 43 4.7 1,638 168 10.3 35,079 4,419 12.6 20,004 3,638 18.2 25,135 6,737 26.8
202016 87 84,676 15,297 18.1 798 66 8.3 1,483 148 10 36,425 5,276 14.5 19,294 3,351 17.4 26,281 6,383 24.3
202017 86 130,726 21,362 16.3 914 55 6 2,545 334 13.1 59,368 8,618 14.5 29,358 4,722 16.1 37,785 7,490 19.8
202018 87 151,196 19,406 12.8 1,194 108 9 3,952 478 12.1 66,331 8,053 12.1 34,592 4,123 11.9 44,495 6,574 14.8
202019 87 165,675 17,665 10.7 1,731 104 6 4,412 526 11.9 73,029 7,731 10.6 38,644 3,598 9.3 47,233 5,623 11.9
202020 89 183,690 15,391 8.4 1,415 108 7.6 5,156 516 10 79,248 6,993 8.8 41,972 2,999 7.1 55,387 4,710 8.5
202021 88 218,820 14,474 6.6 1,829 125 6.8 6,247 635 10.2 97,119 6,754 7 48,621 2,778 5.7 64,354 4,127 6.4
202022 88 228,052 12,591 5.5 1,638 146 8.9 6,307 637 10.1 101,718 5,910 5.8 50,807 2,395 4.7 67,119 3,494 5.2
202023 88 249,787 11,867 4.8 1,953 163 8.3 7,129 691 9.7 115,691 6,091 5.3 55,274 2,136 3.9 69,154 2,770 4
202024 89 255,468 12,696 5 2,229 215 9.6 8,500 904 10.6 121,119 6,772 5.6 54,489 2,225 4.1 68,548 2,562 3.7
202025 88 255,212 13,760 5.4 2,353 214 9.1 9,866 1,036 10.5 121,704 7,646 6.3 53,945 2,367 4.4 66,738 2,471 3.7
202026 89 271,934 17,308 6.4 2,879 274 9.5 12,032 1,346 11.2 136,644 10,101 7.4 57,332 2,798 4.9 62,518 2,756 4.4
202027 90 279,122 17,203 6.2 3,153 299 9.5 12,946 1,301 10 143,309 10,156 7.1 57,137 2,991 5.2 62,156 2,433 3.9
202028 90 346,571 26,448 7.6 4,427 399 9 17,640 1,932 11 180,239 15,354 8.5 71,464 4,731 6.6 72,422 4,002 5.5
202029 90 364,816 28,654 7.9 4,849 454 9.4 21,391 2,485 11.6 192,798 16,748 8.7 74,907 5,102 6.8 70,527 3,842 5.4
202030 90 327,391 27,568 8.4 4,368 513 11.7 19,431 2,495 12.8 175,449 15,881 9.1 66,484 4,859 7.3 61,362 3,795 6.2
202031 90 309,075 24,461 7.9 3,735 410 11 17,101 2,298 13.4 163,996 13,667 8.3 63,408 4,464 7 60,546 3,597 5.9
202032 89 303,096 21,430 7.1 3,532 407 11.5 15,970 1,967 12.3 162,304 11,896 7.3 63,516 3,944 6.2 57,489 3,186 5.5
202033 88 292,381 19,163 6.6 3,344 326 9.7 15,582 1,799 11.5 158,920 10,641 6.7 61,033 3,625 5.9 53,282 2,739 5.1
202034 90 279,778 16,933 6.1 3,022 284 9.4 14,235 1,488 10.5 155,170 9,444 6.1 59,046 3,076 5.2 48,056 2,624 5.5
202035 88 261,249 16,085 6.2 3,002 270 9 15,233 1,493 9.8 142,126 9,355 6.6 54,118 2,773 5.1 46,566 2,182 4.7
202036 88 281,940 15,153 5.4 3,076 259 8.4 17,001 1,355 8 154,210 8,926 5.8 58,303 2,495 4.3 49,168 2,107 4.3
202037 86 234,583 10,634 4.5 2,346 149 6.4 14,098 1,034 7.3 125,211 6,024 4.8 49,966 1,839 3.7 42,766 1,578 3.7
Total 5,818,198 446,780 7.7 63,874 5,568 8.7 257,667 27,528 10.7 2,912,553 225,176 7.7 1,244,625 86,637 7 1,325,745 100,486 7.6