Nationally Notifiable Infectious Diseases and Conditions, United States: Weekly Tables

Weekly cases* of notifiable diseases, United States, U.S. Territories, and Non-U.S. Residents week ending September 28, 2024 (Week 39)
Reporting Area Chlamydia trachomatis infection §
Current weekPrevious 52 weeks Max †Cum YTD 2024 †Cum YTD 2023 †
U.S. Residents, excluding U.S. Territories 14,976 35,451 1,031,538 1,257,367
New England 601 1,165 32,495 40,878
Connecticut - 296 4,454 9,984
Maine 33 81 1,978 2,235
Massachusetts 423 647 20,229 21,681
New Hampshire - 73 1,700 2,167
Rhode Island 119 389 3,187 3,806
Vermont 26 33 947 1,005
Middle Atlantic 2,044 4,227 135,093 151,066
New Jersey - 748 21,387 27,157
New York (excluding New York City) 783 904 29,270 32,038
New York City 438 1,502 45,765 50,615
Pennsylvania 823 1,168 38,671 41,256
East North Central 1,719 4,704 120,225 172,539
Illinois 39 1,438 20,624 53,255
Indiana 430 698 23,606 26,093
Michigan 195 1,020 21,708 32,345
Ohio 667 1,153 36,841 41,951
Wisconsin 388 517 17,446 18,895
West North Central 899 1,999 65,436 74,027
Iowa 110 299 8,703 10,420
Kansas 160 287 8,785 10,278
Minnesota 112 486 14,663 16,456
Missouri 399 648 21,819 23,551
Nebraska - 225 6,037 6,962
North Dakota 47 87 2,294 2,600
South Dakota 71 108 3,135 3,760
South Atlantic 3,007 12,279 252,464 288,801
Delaware - 227 3,787 4,153
District of Columbia 80 188 5,068 6,427
Florida 1,544 6,933 81,361 85,062
Georgia - 1,476 43,398 55,578
Maryland 4 885 22,542 27,359
North Carolina - 1,435 40,200 50,359
South Carolina 626 820 24,736 25,089
Virginia 748 912 28,347 31,428
West Virginia 5 112 3,025 3,346
East South Central 989 2,748 45,247 81,476
Alabama 540 889 23,694 25,526
Kentucky 350 592 11,917 12,388
Mississippi 99 1,006 9,636 15,248
Tennessee - 834 - 28,314
West South Central 1,042 4,645 147,734 172,110
Arkansas 183 399 11,705 13,751
Louisiana 324 750 24,730 27,924
Oklahoma 45 408 8,013 15,023
Texas 490 3,261 103,286 115,412
Mountain 1,393 2,691 79,588 88,205
Arizona 426 852 28,318 31,326
Colorado 461 857 18,222 19,501
Idaho 31 127 3,783 4,383
Montana 33 98 2,441 2,752
Nevada 199 514 11,794 11,915
New Mexico 59 229 6,576 8,537
Utah 184 239 7,533 8,370
Wyoming - 47 921 1,421
Pacific 3,282 4,960 153,256 188,265
Alaska 66 125 3,554 3,920
California 2,328 3,800 126,005 146,518
Hawaii - 146 - 4,781
Oregon 326 352 10,454 11,604
Washington 562 609 13,243 21,442
U.S. Territories - 135 667 3,976
American Samoa - 0 - -
Commonwealth of Northern Mariana Islands - 0 - -
Guam - 0 - -
Puerto Rico - 135 667 3,976
U.S. Virgin Islands - 0 - -
Non-U.S. Residents 1 4 29 39
Total 14,977 35,495 1,032,234 1,261,382
  • U: Unavailable — The reporting jurisdiction was unable to send the data to CDC or CDC was unable to process the data.
  • -: No reported cases — The reporting jurisdiction did not submit any cases to CDC.
  • N: Not reportable — The disease or condition was not reportable by law, statute, or regulation in the reporting jurisdiction.
  • NN: Not nationally notifiable — This condition was not designated as being nationally notifiable.
  • NP: Nationally notifiable but not published.
  • NC: Not calculated — There is insufficient data available to support the calculation of this statistic.
  • Cum: Cumulative year-to-date counts.
  • * Case counts for reporting years 2023 and 2024 are provisional and subject to change. Cases are assigned to the reporting jurisdiction submitting the case to NNDSS, if the case's country of usual residence is the U.S., a U.S. territory, unknown, or null (i.e. country not reported); otherwise, the case is assigned to the 'Non-U.S. Residents' category. Country of usual residence is currently not reported by all jurisdictions or for all conditions. For further information on interpretation of these data, see https://www.cdc.gov/nndss/data-statistics/readers-guides/.
  • † Previous 52 week maximum and cumulative YTD are determined from periods of time when the condition was reportable in the jurisdiction (i.e., may be less than 52 weeks of data or incomplete YTD data).
  • § Beginning in January 2022, only confirmed cases are published to align with the approved CSTE position statement 21-ID-06, whereas in previous years, all case classification statuses were published. This change may cause a decrease in published case counts when compared to previous years.
Notes:
  • These are weekly cases of selected infectious national notifiable diseases, from the National Notifiable Diseases Surveillance System (NNDSS). NNDSS data reported by the 50 states, New York City, the District of Columbia, and the U.S. territories are collated and published weekly in alphabetical order by condition. Cases reported by state health departments to CDC for weekly publication are subject to ongoing revision of information and delayed reporting. Therefore, numbers listed in later weeks may reflect changes made to these counts as additional information becomes available. Case counts in the tables are presented as published each week. See also Guide to Interpreting Provisional and Finalized NNDSS Data.
  • Weekly tables since 1996 are available on CDC WONDER.
  • Weekly tables since 2014 are available on Data.CDC.gov.
  • Weekly tables for 1952–2017 published in the Morbidity and Mortality Weekly Reports (MMWR) are available at CDC Stacks MMWR, and weekly tables starting in 2018 are available at CDC Stacks NNDSS (once in CDC Stacks NNDSS select "Weekly Tables" in the "Genre" box at the left).
  • Notices, errata, and other notes are available in the Notice To Data Users page.
  • The list of national notifiable infectious diseases and conditions and their national surveillance case definitions are available at https://ndc.services.cdc.gov/. This list incorporates the Council of State and Territorial Epidemiologists (CSTE) position statements approved by CSTE for national surveillance.
Suggested Citation:
  • Centers for Disease Control and Prevention. National Notifiable Diseases Surveillance System, Weekly Tables of Infectious Disease Data. Atlanta, GA. Office of Public Health Data, Surveillance, and Technology. Available at: https://www.cdc.gov/nndss/data-statistics/index.html.
Acknowledgment:
  • CDC acknowledges the local, state, and territorial health departments that collected the data from a range of case ascertainment sources (e.g., health-care providers, hospitals, laboratories) and reported these data to CDC's National Notifiable Diseases Surveillance System.