Important update: Healthcare facilities
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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.
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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.
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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 Jan. 29, 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 23, 2021
Data as of January 28, 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 9.5 982 2 1,978 4.2 15,627 8.8 8,423 11.7 7,972 11.9
202012 89,396 9 1,582 2.2 2,333 3.7 31,875 8.3 16,170 11.3 16,350 12.8
202013 111,165 13.1 1,268 3.7 1,432 5.6 30,001 12.8 15,633 18.7 17,752 21.5
202014 662,394 22.1 9,075 7.3 15,892 15.9 319,485 21.1 156,613 26.3 103,999 26.8
202015 646,213 21.7 7,575 8.7 15,979 18 301,934 21 155,523 24.6 106,387 26.1
202016 653,090 19 7,384 10 18,128 16.9 290,507 19.5 153,510 20.6 113,394 21.7
202017 833,673 15.7 8,635 9.3 24,616 16.2 359,654 16.7 191,223 16.2 155,901 16.3
202018 1,001,289 12.8 10,877 9.2 30,897 15.3 423,811 14.2 226,957 12.7 190,777 12.5
202019 1,174,925 10 13,916 7.9 37,400 13.2 482,766 11.6 263,456 9.4 233,410 8.9
202020 1,439,181 7.8 16,903 7.7 46,924 11.3 580,979 9.3 322,699 7.1 298,108 6.4
202021 1,747,459 6.9 19,355 7.9 55,967 11 730,364 8.1 383,722 6.1 346,182 5.3
202022 1,739,066 6.5 17,605 7.9 53,245 11.5 728,426 7.8 379,506 5.9 341,100 4.8
202023 1,950,980 6.2 20,218 8.3 63,621 10.9 852,734 7.5 408,178 5.5 357,783 4.3
202024 2,151,923 6.6 24,089 8.8 76,680 11.2 978,984 8.3 434,206 5.6 359,626 4.1
202025 2,450,462 8.3 30,609 9.9 102,155 12 1,172,155 10.5 477,378 6.6 374,356 4.4
202026 2,906,281 9.7 38,553 10.6 138,196 12.7 1,440,347 11.9 553,178 8 402,856 5.4
202027 2,850,339 9.8 37,667 10.1 140,269 12.3 1,445,322 11.4 534,406 8.8 371,864 6.1
202028 3,153,931 9.8 43,177 10.3 156,764 12.8 1,591,842 11.2 606,013 8.9 421,463 6.7
202029 3,124,653 8.9 43,078 9.4 157,181 12.1 1,546,096 10 590,070 8.4 407,194 6.7
202030 2,821,175 8.4 38,822 9.2 136,334 11.6 1,364,114 9.2 530,506 8.2 369,312 6.8
202031 2,607,691 7.4 35,599 8.4 124,852 10.9 1,270,652 7.7 479,100 7.2 334,789 6.2
202032 2,509,539 6.7 34,255 7.8 118,360 9.9 1,216,649 6.9 460,554 6.5 324,799 5.8
202033 2,458,653 6 34,275 6.8 117,776 8.8 1,197,992 6 443,567 5.8 317,120 5.2
202034 2,442,045 5.4 33,868 6 118,091 7.7 1,160,509 5.6 426,589 5.2 298,077 4.8
202035 2,259,569 5.6 33,549 5.6 122,778 7.1 1,081,927 6 403,703 5 283,427 4.3
202036 2,295,860 5.3 33,663 5 125,083 6.2 1,109,520 5.7 404,040 4.5 284,616 4
202037 2,162,434 5.1 30,807 4.2 115,915 6.1 1,000,160 5.4 384,755 4.3 287,245 3.7
202038 2,504,084 5 37,535 4.1 150,441 6 1,134,367 5.2 438,863 4.3 326,187 3.8
202039 2,597,078 5.2 36,104 4.1 144,760 5.8 996,206 5.2 388,016 4.5 292,528 3.9
202040 2,630,156 5.3 40,659 4.1 164,599 5.9 1,164,879 5.2 457,711 4.8 340,516 4.2
202041 2,978,859 5.6 44,194 4.4 186,853 6.3 1,336,064 5.4 527,627 5.2 385,815 4.6
202042 2,903,442 6.6 42,718 5.4 185,219 7.3 1,306,841 6.3 512,025 6.1 374,643 5.3
202043 3,071,174 7.3 45,967 5.9 208,679 8 1,414,638 7.1 552,859 7 400,165 6.1
202044 3,241,540 8.6 48,350 6.7 226,799 9 1,485,884 8.2 575,350 8.2 406,444 6.9
202045 3,565,688 10.8 58,429 8.2 269,593 11.4 1,658,634 10.7 621,143 10.4 434,665 8.7
202046 3,951,114 12 68,220 8.9 307,692 12.7 1,825,931 11.8 704,888 11.7 490,295 10
202047 4,593,337 10.7 78,721 8.9 343,162 11.9 2,192,498 10.3 828,471 10.8 566,155 9.7
202048 3,431,398 12.1 54,707 10.3 207,686 15 1,582,076 11.6 601,508 12.3 424,645 10.9
202049 3,939,234 13.5 68,055 12 278,959 16.6 1,864,857 13.4 732,695 13.4 505,732 11.7
202050 3,813,271 12.9 67,731 11.7 278,302 15.7 1,773,758 13 714,888 13 492,975 11.6
202051 3,649,002 12.5 62,537 11.8 249,798 15.6 1,733,830 12.3 681,602 12.9 466,852 11.6
202052 2,841,218 13 43,590 12.7 173,720 16.7 1,362,507 12.7 530,830 13.5 367,221 12.3
202053 3,021,293 15.4 50,327 15.1 182,408 21 1,448,544 15.1 565,993 15.7 397,220 14.2
202101 3,591,731 14.6 59,946 15 256,574 19.3 1,724,072 14.4 659,448 14.8 442,378 13.7
202102 3,225,057 12 59,827 12.6 238,639 15.7 1,556,757 11.8 597,755 12.6 395,860 11.8
202103 2,595,553 11 45,905 11 174,718 14.1 1,074,862 10.6 427,573 11.1 296,923 10.3

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