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

Number of Specimens Tested and Percent Positive for SARS-CoV-2

Number of Specimens Tested and Percent Positive for SARS-CoV-2
Updated Oct. 9, 2020
Number of Specimens Tested and Percent Positive for SARS- CoV-2: Combined Laboratories Reporting to CDC from Public Health Laboratories and a Subset of Commercial and Clinical Laboratories

Combined U.S. Laboratories Reporting to CDC: Public Health Laboroatories and a Subset of Commerical and Clinical Laboratories
March 1, 2020 – October 3, 2020
Data as of October 8, 2020
Total (includes age unknown) 0-4 years 5-17 years 18-49 years 50-64 years 65+ years
Week 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 8,302 974 11.7 228 10 4.4 586 42 7.2 3,180 319 10 1,975 247 12.5 2,154 330 15.3
202011 38,915 3,694 9.5 976 20 2 1,968 83 4.2 15,559 1,371 8.8 8,384 987 11.8 7,911 944 11.9
202012 92,571 8,219 8.9 1,576 36 2.3 2,328 87 3.7 31,833 2,656 8.3 16,130 1,817 11.3 16,317 2,092 12.8
202013 113,064 14,617 12.9 1,267 48 3.8 1,436 80 5.6 29,914 3,812 12.7 15,584 2,917 18.7 17,643 3,771 21.4
202014 662,831 144,045 21.7 9,131 589 6.5 15,392 2,094 13.6 318,152 65,520 20.6 156,963 41,130 26.2 104,152 28,205 27.1
202015 645,832 137,801 21.3 7,658 643 8.4 15,395 2,401 15.6 299,762 61,086 20.4 156,384 38,333 24.5 106,214 27,903 26.3
202016 653,646 120,864 18.5 7,374 666 9 17,703 2,643 14.9 288,411 53,895 18.7 154,884 31,409 20.3 113,939 24,540 21.5
202017 834,424 127,737 15.3 8,563 728 8.5 23,360 3,418 14.6 358,068 57,851 16.2 192,915 30,677 15.9 156,605 25,501 16.3
202018 1,001,709 124,950 12.5 10,906 943 8.6 29,798 4,265 14.3 421,483 57,851 13.7 228,248 28,177 12.3 191,824 23,644 12.3
202019 1,175,908 113,103 9.6 13,867 1,044 7.5 36,532 4,532 12.4 479,752 53,356 11.1 265,085 23,979 9 235,241 20,571 8.7
202020 1,439,541 108,479 7.5 16,927 1,262 7.5 46,257 5,048 10.9 577,605 51,450 8.9 323,488 21,810 6.7 299,934 18,790 6.3
202021 1,747,334 111,804 6.4 19,217 1,438 7.5 53,957 5,634 10.4 724,267 54,329 7.5 386,731 21,596 5.6 348,915 17,561 5
202022 1,739,515 99,662 5.7 17,341 1,272 7.3 51,180 5,457 10.7 721,321 49,163 6.8 383,197 18,724 4.9 344,741 14,753 4.3
202023 1,950,199 107,448 5.5 19,962 1,578 7.9 60,082 6,263 10.4 845,397 56,499 6.7 412,300 18,709 4.5 361,580 13,648 3.8
202024 2,149,732 131,040 6.1 23,870 2,023 8.5 73,709 8,007 10.9 972,939 74,482 7.7 437,409 21,209 4.8 361,055 13,416 3.7
202025 2,437,486 194,579 8 30,209 2,954 9.8 99,012 11,736 11.9 1,163,384 117,829 10.1 477,367 29,039 6.1 371,509 15,537 4.2
202026 2,889,522 273,848 9.5 38,195 4,017 10.5 135,987 16,993 12.5 1,430,051 165,647 11.6 552,062 41,926 7.6 398,233 20,754 5.2
202027 2,846,941 275,629 9.7 37,540 3,770 10 139,350 17,042 12.2 1,441,108 162,543 11.3 534,315 45,513 8.5 371,080 21,987 5.9
202028 3,139,890 307,821 9.8 43,085 4,452 10.3 156,044 19,966 12.8 1,583,883 176,800 11.2 602,292 53,889 8.9 417,301 28,201 6.8
202029 3,110,330 278,211 8.9 42,960 4,037 9.4 156,413 18,881 12.1 1,537,619 153,228 10 587,033 49,257 8.4 403,541 27,105 6.7
202030 2,798,289 235,198 8.4 38,709 3,562 9.2 135,685 15,735 11.6 1,355,366 124,267 9.2 526,811 43,092 8.2 365,166 24,780 6.8
202031 2,595,333 192,044 7.4 35,514 2,973 8.4 124,407 13,482 10.8 1,262,840 97,883 7.8 475,850 34,448 7.2 331,392 20,634 6.2
202032 2,499,543 166,595 6.7 34,174 2,678 7.8 117,926 11,663 9.9 1,209,943 82,849 6.8 457,686 29,667 6.5 321,499 18,560 5.8
202033 2,445,361 145,141 5.9 34,179 2,314 6.8 117,208 10,331 8.8 1,189,618 71,206 6 440,091 25,540 5.8 313,552 16,229 5.2
202034 2,431,195 131,723 5.4 33,777 2,028 6 117,527 8,994 7.7 1,153,522 63,905 5.5 423,779 21,752 5.1 295,195 14,169 4.8
202035 2,263,491 125,066 5.5 33,434 1,863 5.6 122,188 8,627 7.1 1,071,819 64,392 6 400,205 19,837 5 281,100 12,164 4.3
202036 2,285,197 120,129 5.3 33,483 1,657 4.9 124,443 7,750 6.2 1,104,097 63,037 5.7 402,255 18,172 4.5 283,061 11,176 3.9
202037 2,152,258 108,548 5 30,692 1,273 4.1 115,431 7,034 6.1 996,010 54,047 5.4 383,064 16,328 4.3 285,578 10,391 3.6
202038 2,485,465 125,218 5 37,365 1,511 4 149,840 8,920 6 1,129,649 58,984 5.2 436,556 18,638 4.3 324,376 12,154 3.7
202039 2,579,610 133,613 5.2 36,108 1,486 4.1 144,908 8,303 5.7 996,298 51,604 5.2 388,971 17,644 4.5 292,353 11,270 3.9
202040 2,014,912 98,338 4.9 32,375 1,339 4.1 131,660 7,679 5.8 928,179 46,644 5 368,448 16,941 4.6 279,421 11,342 4.1
Total 55228346 4266138 7.7 730662 54214 7.4 2517712 243190 9.7 25641029 2198505 8.6 10596462 783404 7.4 8002582 512122 6.4