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.
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 Jan. 15, 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 9, 2021
Data as of January 14, 2021

Combined U.S. Laboratories Reporting to CDC: Public Health Laboratories and a Subset of Commercial and Clinical LaboratoriesMarch 1, 2020 – January 9, 2021Data as of January 14, 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 8,328 11.7 229 4.4 586 7.2 3,190 10 1,983 12.5 2,162 15.5
202011 38,492 9.5 985 2 1,985 4.2 15,669 8.8 8,445 11.7 7,983 11.9
202012 90,009 9 1,594 2.3 2,365 3.7 32,203 8.3 16,314 11.2 16,443 12.7
202013 112,189 13 1,290 3.6 1,453 5.5 30,591 12.5 15,864 18.5 17,912 21.3
202014 663,331 22 9,126 7.3 15,863 15.8 319,994 21.1 156,957 26.3 104,058 26.8
202015 646,818 21.7 7,652 9.4 16,051 17.8 302,076 20.9 155,748 24.6 106,481 26.1
202016 653,099 19 7,337 9.7 18,173 16.7 290,379 19.5 153,538 20.6 113,507 21.7
202017 833,677 15.7 8,615 9.3 24,561 16.3 359,914 16.7 191,071 16.2 155,862 16.4
202018 1,001,274 12.8 10,882 9.1 30,925 15.4 423,839 14.2 226,925 12.7 190,740 12.5
202019 1,174,913 10 13,918 7.8 37,336 13.1 483,027 11.6 263,235 9.5 233,416 8.9
202020 1,439,166 7.8 16,928 7.7 46,895 11.3 581,204 9.3 322,525 7.1 298,041 6.4
202021 1,747,445 6.9 19,335 7.9 55,990 11 730,597 8.1 383,699 6.2 345,955 5.3
202022 1,739,048 6.5 17,592 7.9 53,258 11.5 728,157 7.8 379,403 5.9 341,360 4.9
202023 1,950,972 6.2 20,209 8.3 63,592 10.9 852,825 7.5 408,048 5.5 357,862 4.3
202024 2,151,503 6.4 24,040 8.6 75,598 11.1 977,387 8 435,495 5.3 360,548 4
202025 2,449,794 8 30,348 9.8 99,775 11.8 1,169,867 10.1 480,453 6.1 375,263 4.2
202026 2,905,579 9.4 38,350 10.5 136,631 12.5 1,438,319 11.6 555,339 7.6 403,609 5.2
202027 2,849,968 9.7 37,569 10 139,524 12.2 1,444,195 11.3 535,574 8.5 372,177 5.9
202028 3,153,744 9.8 43,174 10.3 156,751 12.8 1,591,718 11.2 605,987 8.9 421,446 6.7
202029 3,124,440 8.9 43,077 9.4 157,167 12.1 1,545,955 10 590,032 8.4 407,172 6.7
202030 2,812,822 8.4 38,823 9.2 136,323 11.6 1,364,079 9.2 530,490 8.2 369,297 6.8
202031 2,607,655 7.4 35,597 8.4 124,846 10.9 1,270,637 7.7 479,090 7.2 334,786 6.2
202032 2,509,506 6.7 34,254 7.8 118,356 9.9 1,216,635 6.9 460,543 6.5 324,796 5.8
202033 2,458,626 6 34,279 6.8 117,777 8.8 1,197,969 6 443,562 5.8 317,115 5.2
202034 2,442,031 5.4 33,870 6 118,090 7.7 1,160,500 5.6 426,583 5.2 298,076 4.8
202035 2,259,562 5.6 33,550 5.6 122,780 7.1 1,081,919 6 403,701 5 283,428 4.3
202036 2,295,852 5.3 33,663 5 125,082 6.3 1,109,512 5.7 404,039 4.5 284,616 4
202037 2,162,431 5.1 30,810 4.2 115,915 6.1 1,000,160 5.4 384,752 4.3 287,243 3.7
202038 2,504,070 5 37,534 4.1 150,439 6 1,134,353 5.2 438,859 4.3 326,185 3.8
202039 2,588,533 5.2 36,103 4.1 144,761 5.8 996,196 5.2 388,011 4.5 292,530 3.9
202040 2,620,506 5.3 40,660 4.1 164,609 5.9 1,164,977 5.2 457,743 4.8 340,524 4.2
202041 2,969,850 5.7 44,193 4.4 186,863 6.3 1,336,096 5.4 527,644 5.2 385,815 4.6
202042 2,893,901 6.6 42,721 5.4 185,173 7.3 1,306,799 6.3 511,985 6.1 374,574 5.3
202043 3,056,530 7.3 45,968 5.9 208,678 8 1,414,453 7.1 552,773 7 399,930 6.1
202044 3,226,511 8.6 48,349 6.7 226,619 9 1,485,727 8.2 575,319 8.2 406,425 6.9
202045 3,549,168 10.9 58,421 8.2 269,471 11.4 1,658,497 10.7 621,106 10.4 434,625 8.7
202046 3,932,428 12 68,219 8.9 307,695 12.7 1,825,703 11.8 704,863 11.7 490,275 10
202047 4,572,035 10.7 78,721 8.9 343,150 11.9 2,192,259 10.3 828,452 10.8 566,153 9.7
202048 3,414,512 12.1 54,688 10.3 207,600 15 1,581,690 11.6 601,417 12.3 424,615 10.9
202049 3,920,670 13.5 68,036 12 278,806 16.6 1,864,244 13.4 732,539 13.4 505,650 11.7
202050 3,791,392 12.9 67,697 11.7 277,743 15.7 1,771,930 13 714,417 13 492,739 11.5
202051 3,628,512 12.5 62,498 11.8 249,421 15.5 1,732,543 12.3 681,156 12.9 466,420 11.6
202052 2,818,507 13 43,498 12.7 173,247 16.8 1,359,062 12.7 529,727 13.5 366,368 12.3
202053 2,967,733 15.4 50,138 15 181,280 20.9 1,442,178 15.1 564,085 15.7 395,775 14.2
202101 3,148,737 14.5 50,203 14.8 213,179 19 1,442,286 14.1 557,378 14.4 383,700 13.3

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