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 28, 2023 (Week 04)
Reporting Area Chlamydia trachomatis infection §
Current weekPrevious 52 weeks Max †Cum YTD 2023 †Cum YTD 2022 †
U.S. Residents, excluding U.S. Territories 16,339 31,910 77,873 107,784
New England 531 1,122 2,646 3,322
Connecticut - 260 - 593
Maine 53 80 179 231
Massachusetts 478 632 2,127 1,933
New Hampshire - 93 - 216
Rhode Island - 217 247 264
Vermont - 37 93 85
Middle Atlantic 2,796 4,266 12,677 13,044
New Jersey 493 743 1,827 2,398
New York (excluding New York City) 795 1,408 2,705 2,201
New York City 626 1,455 4,213 4,573
Pennsylvania 882 1,181 3,932 3,872
East North Central 1,791 4,492 8,764 15,269
Illinois - 1,450 745 4,015
Indiana 310 669 435 2,319
Michigan 311 915 1,792 2,834
Ohio 716 1,234 3,866 4,267
Wisconsin 454 556 1,926 1,834
West North Central 807 2,172 5,351 7,013
Iowa 32 333 696 1,106
Kansas 88 317 300 984
Minnesota 139 485 1,376 1,563
Missouri 502 735 2,149 2,075
Nebraska - 215 421 671
North Dakota - 92 132 284
South Dakota 46 124 277 330
South Atlantic 4,204 6,871 16,673 21,747
Delaware 68 216 399 345
District of Columbia 105 187 523 565
Florida 1,671 2,340 6,704 6,060
Georgia 882 1,362 3,161 4,913
Maryland - 0 - -
North Carolina 13 1,348 108 4,439
South Carolina 683 1,138 2,386 2,291
Virginia 771 981 3,245 2,833
West Virginia 11 119 147 301
East South Central 1,388 2,497 5,516 7,007
Alabama 668 697 2,431 2,087
Kentucky 318 525 1,175 955
Mississippi 182 526 1,181 1,450
Tennessee 220 1,073 729 2,515
West South Central 577 4,885 5,601 16,591
Arkansas 234 424 1,168 1,295
Louisiana 278 797 2,277 2,544
Oklahoma 65 464 548 1,415
Texas - 3,330 1,608 11,337
Mountain 1,293 2,471 5,636 7,769
Arizona 524 914 2,580 2,968
Colorado 563 610 1,860 1,567
Idaho 70 187 339 298
Montana 45 112 221 252
Nevada 16 361 188 1,099
New Mexico 18 262 315 768
Utah 24 259 52 808
Wyoming 33 54 81 9
Pacific 2,952 4,844 15,009 16,022
Alaska 89 128 369 345
California 2,046 3,950 11,797 13,510
Hawaii - 0 - -
Oregon 339 369 1,151 1,173
Washington 478 586 1,692 994
U.S. Territories - 104 - 173
American Samoa - 0 - -
Commonwealth of Northern Mariana Islands - 0 - -
Guam - 0 - -
Puerto Rico - 104 - 173
U.S. Virgin Islands - 0 - -
Non-U.S. Residents 2 10 2 6
Total 16,341 31,960 77,875 107,963
  • 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/docs/Readers-Guide-WONDER-Tables-20210421-508.pdf.
  • † 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.