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 January 20, 2024 (Week 03)
Reporting Area Chlamydia trachomatis infection §
Current weekPrevious 52 weeks Max †Cum YTD 2024 †Cum YTD 2023 †
U.S. Residents, excluding U.S. Territories 12,179 32,900 47,026 88,089
New England 143 1,073 1,556 2,506
Connecticut - 126 - 285
Maine 46 75 163 142
Massachusetts 7 699 1,044 1,602
New Hampshire - 82 70 147
Rhode Island 71 123 219 235
Vermont 19 37 60 95
Middle Atlantic 1,752 4,293 8,246 11,038
New Jersey 29 784 1,052 2,057
New York (excluding New York City) 697 1,175 1,881 1,905
New York City 332 1,502 2,741 3,857
Pennsylvania 694 1,211 2,572 3,219
East North Central 1,687 4,644 6,799 12,460
Illinois 81 1,548 800 4,207
Indiana 348 880 1,218 1,373
Michigan 239 824 1,005 2,042
Ohio 611 1,211 2,562 3,334
Wisconsin 408 544 1,214 1,504
West North Central 830 2,137 3,644 5,507
Iowa 124 319 437 852
Kansas 65 335 244 813
Minnesota 137 497 920 1,270
Missouri 379 746 1,431 1,653
Nebraska - 246 235 448
North Dakota 67 83 177 216
South Dakota 58 123 200 255
South Atlantic 2,980 7,267 7,487 18,520
Delaware - 227 - 329
District of Columbia - 198 - 473
Florida 1,455 2,784 3,804 5,320
Georgia 898 1,551 1,839 4,209
Maryland U NC U U
North Carolina 2 1,447 12 3,790
South Carolina 595 774 1,666 1,703
Virginia - 975 - 2,469
West Virginia 30 115 166 227
East South Central 864 2,470 2,810 5,472
Alabama 524 972 1,622 1,789
Kentucky 288 546 602 865
Mississippi 52 995 586 1,258
Tennessee - 1,094 - 1,560
West South Central 285 4,708 2,102 13,135
Arkansas 91 416 639 1,114
Louisiana 190 884 1,369 2,149
Oklahoma 4 413 94 1,139
Texas - 3,254 - 8,733
Mountain 1,082 2,583 4,236 6,047
Arizona 338 886 1,672 2,236
Colorado 351 854 1,073 1,066
Idaho 43 145 207 314
Montana 21 98 114 196
Nevada 168 324 512 921
New Mexico 11 255 155 613
Utah 150 255 503 632
Wyoming - 50 - 69
Pacific 2,556 5,053 10,146 13,404
Alaska 75 129 225 290
California 1,959 4,113 8,186 11,089
Hawaii - 0 - -
Oregon 235 383 716 811
Washington 287 571 1,019 1,214
U.S. Territories - 99 - 160
American Samoa - 0 - -
Commonwealth of Northern Mariana Islands - 0 - -
Guam - 0 - -
Puerto Rico - 99 - 160
U.S. Virgin Islands - 0 - -
Non-U.S. Residents 1 5 1 1
Total 12,180 32,947 47,027 88,250
  • 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.