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 October 28, 2023 (Week 43)
Reporting Area Chlamydia trachomatis infection §
Current weekPrevious 52 weeks Max †Cum YTD 2023 †Cum YTD 2022 †
U.S. Residents, excluding U.S. Territories 14,572 32,999 1,229,959 1,380,780
New England 641 1,650 35,101 43,820
Connecticut - 430 1,155 10,249
Maine 41 74 2,450 2,638
Massachusetts 470 687 23,982 23,683
New Hampshire 7 82 2,269 2,371
Rhode Island 107 694 4,157 3,810
Vermont 16 37 1,088 1,069
Middle Atlantic 2,234 4,176 162,036 160,324
New Jersey - 789 27,791 27,759
New York (excluding New York City) 944 1,032 34,894 33,171
New York City 486 1,498 54,980 53,609
Pennsylvania 804 1,231 44,371 45,785
East North Central 1,703 4,566 162,059 190,231
Illinois 78 1,811 42,907 59,178
Indiana 477 862 26,011 28,102
Michigan 279 912 27,501 35,746
Ohio 645 1,211 45,401 45,649
Wisconsin 224 562 20,239 21,556
West North Central 830 2,137 77,563 84,955
Iowa 124 333 11,158 12,308
Kansas 138 335 9,450 11,798
Minnesota 93 497 17,726 18,498
Missouri 454 746 26,504 26,866
Nebraska - 246 6,910 8,038
North Dakota - 91 1,791 3,083
South Dakota 21 125 4,024 4,364
South Atlantic 3,180 7,719 270,201 307,858
Delaware 102 227 4,721 4,283
District of Columbia - 199 5,670 6,839
Florida 1,771 2,785 93,571 88,314
Georgia - 1,550 51,705 60,980
Maryland U NC U 25,445
North Carolina 17 1,445 48,606 54,048
South Carolina 603 774 27,609 29,931
Virginia 652 976 34,677 34,218
West Virginia 35 114 3,642 3,800
East South Central 1,037 2,452 77,678 92,880
Alabama 556 972 28,340 25,950
Kentucky 370 546 13,846 15,115
Mississippi 111 487 15,242 19,616
Tennessee - 1,094 20,250 32,199
West South Central 617 4,814 166,635 194,647
Arkansas 173 435 14,252 15,044
Louisiana 333 855 29,702 30,497
Oklahoma 11 473 12,860 17,183
Texas 100 3,115 109,821 131,923
Mountain 1,419 2,495 89,393 98,341
Arizona 490 873 33,281 34,457
Colorado 392 782 21,091 21,701
Idaho 50 148 4,719 4,913
Montana 56 91 2,707 3,488
Nevada 208 343 10,036 13,542
New Mexico - 241 7,039 9,446
Utah 195 255 9,194 9,281
Wyoming 28 50 1,326 1,513
Pacific 2,911 5,049 189,293 207,724
Alaska 44 121 3,397 4,479
California 2,241 4,112 156,914 161,321
Hawaii - 132 - 4,630
Oregon 289 382 12,628 13,034
Washington 337 565 16,354 24,260
U.S. Territories - 105 1,138 3,906
American Samoa - 0 - -
Commonwealth of Northern Mariana Islands - 0 - -
Guam - 0 - -
Puerto Rico - 105 1,138 3,906
U.S. Virgin Islands - 0 - -
Non-U.S. Residents 1 7 43 124
Total 14,573 33,085 1,231,140 1,384,810
  • 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 2022 and 2023 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. CDC Division of Health Informatics and Surveillance. 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.