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 Feb. 5, 2021
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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
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Combined U.S. Laboratories Reporting to CDC: Public Health Laboratories and a Subset of Commercial and Clinical Laboratories
March 1, 2020 – January 30, 2021
Data as of February 4, 2021
Total (includes age unknown) 0-4 years 5-17 years 18-49 years 50-64 years 65+ years
Week Spec Tested % Pos Spec Tested % Pos Spec Tested % Pos Spec Tested % Pos Spec Tested % Pos Spec Tested % Pos
202010 8,324 11.8 229 4.4 587 7.2 3,189 10 1,980 12.5 2,160 15.4
202011 38,409 9.5 981 2 1,978 4.2 15,628 8.8 8,425 11.7 7,972 11.9
202012 89,396 9 1,581 2.3 2,333 3.7 31,876 8.3 16,169 11.3 16,351 12.8
202013 111,165 13.1 1,267 3.7 1,433 5.6 29,999 12.8 15,633 18.7 17,754 21.5
202014 662,400 22.1 9,090 7.3 15,910 16 319,464 21.1 156,570 26.3 104,042 26.8
202015 646,213 21.7 7,608 9.1 16,018 18.2 301,871 21 155,483 24.6 106,426 26.1
202016 653,094 19 7,403 10 18,231 16.8 290,274 19.5 153,607 20.6 113,402 21.7
202017 833,673 15.7 8,621 9.3 24,547 16.1 359,721 16.7 191,198 16.2 155,920 16.4
202018 1,001,330 12.8 10,932 9.2 31,000 15.2 423,619 14.2 227,094 12.8 190,720 12.5
202019 1,174,992 10 13,910 7.9 37,389 13.2 482,815 11.6 263,468 9.5 233,439 8.9
202020 1,439,234 7.8 16,914 7.7 46,955 11.3 581,228 9.3 322,569 7.1 298,010 6.4
202021 1,747,548 6.9 19,333 7.9 55,847 10.9 730,487 8.1 383,919 6.2 346,086 5.3
202022 1,739,089 6.5 17,586 7.9 53,137 11.5 728,430 7.8 379,376 5.9 341,370 4.9
202023 1,950,987 6.2 20,228 8.3 63,626 10.9 852,847 7.5 408,016 5.5 357,857 4.3
202024 2,151,931 6.6 24,081 8.8 76,707 11.2 978,761 8.3 434,425 5.6 359,695 4.1
202025 2,450,494 8.3 30,575 9.9 102,132 12 1,172,125 10.5 477,452 6.6 374,349 4.4
202026 2,906,326 9.7 38,596 10.7 138,280 12.7 1,440,254 11.9 553,160 8 402,864 5.4
202027 2,850,550 9.9 37,710 10.2 140,821 12.4 1,445,573 11.5 534,074 8.9 371,591 6.1
202028 3,154,138 10 43,361 10.4 157,908 12.9 1,593,986 11.3 604,392 9.2 419,922 6.9
202029 3,124,698 8.9 43,080 9.4 157,186 12.1 1,546,124 10 590,076 8.4 407,199 6.7
202030 2,821,204 8.4 38,822 9.2 136,340 11.6 1,364,130 9.2 530,510 8.2 369,309 6.8
202031 2,607,731 7.4 35,600 8.4 124,854 10.9 1,270,679 7.7 479,106 7.2 334,795 6.2
202032 2,509,601 6.7 34,257 7.8 118,368 9.9 1,216,676 6.9 460,569 6.5 324,810 5.8
202033 2,458,700 6 34,283 6.8 117,780 8.8 1,198,015 6 443,571 5.8 317,128 5.2
202034 2,442,081 5.4 33,869 6 118,094 7.7 1,160,537 5.6 426,595 5.2 298,077 4.8
202035 2,259,609 5.6 33,548 5.6 122,780 7.1 1,081,941 6 403,722 5 283,435 4.3
202036 2,295,891 5.3 33,662 5 125,086 6.2 1,109,535 5.7 404,040 4.5 284,627 4
202037 2,162,441 5.1 30,807 4.2 115,920 6.1 1,000,164 5.4 384,758 4.3 287,243 3.7
202038 2,504,088 5 37,536 4.1 150,442 6 1,134,363 5.2 438,866 4.3 326,183 3.8
202039 2,597,114 5.2 36,104 4.1 144,760 5.8 996,219 5.2 388,036 4.5 292,531 3.9
202040 2,630,163 5.3 40,659 4.1 164,598 5.9 1,164,881 5.2 457,714 4.8 340,518 4.2
202041 2,978,867 5.6 44,198 4.4 186,854 6.3 1,336,069 5.4 527,624 5.2 385,814 4.6
202042 2,903,472 6.6 42,717 5.4 185,221 7.3 1,306,865 6.3 512,029 6.1 374,643 5.3
202043 3,071,217 7.3 45,968 5.9 208,681 8 1,414,646 7.1 552,865 7 400,189 6.1
202044 3,241,700 8.6 48,351 6.7 226,803 9 1,485,926 8.2 575,391 8.2 406,511 6.9
202045 3,565,744 10.8 58,428 8.2 269,596 11.4 1,658,656 10.7 621,149 10.4 434,688 8.7
202046 3,951,168 12 68,220 8.9 307,698 12.7 1,825,966 11.8 704,900 11.7 490,296 10
202047 4,593,587 10.7 78,723 8.9 343,169 11.9 2,192,712 10.3 828,486 10.8 566,165 9.7
202048 3,431,783 12.1 54,719 10.3 207,712 15 1,582,299 11.6 601,560 12.3 424,707 10.9
202049 3,939,567 13.5 68,056 12 279,033 16.6 1,865,062 13.4 732,735 13.4 505,748 11.7
202050 3,813,790 12.9 67,740 11.7 278,418 15.7 1,774,057 13 714,955 13 493,015 11.6
202051 3,649,287 12.5 62,542 11.8 249,842 15.6 1,734,005 12.3 681,654 12.9 466,893 11.6
202052 2,841,487 13 43,595 12.7 173,791 16.7 1,362,726 12.7 530,891 13.5 367,254 12.3
202053 3,022,203 15.4 50,339 15.1 182,545 21 1,449,115 15.1 566,116 15.7 397,310 14.2
202101 3,593,507 14.6 59,981 15 256,842 19.3 1,725,046 14.4 659,740 14.8 442,590 13.7
202102 3,226,894 12 59,876 12.6 238,815 15.7 1,557,686 11.9 598,068 12.6 396,275 11.8
202103 2,819,359 11.2 55,992 11.2 216,183 14.6 1,346,172 11.1 528,585 11.6 354,393 10.8
202104 2,375,248 9.7 47,367 9.7 184,374 12.5 1,096,723 9.4 433,436 10 293,505 9

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