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 6, 2024 (Week 01)
Reporting Area Hepatitis C, chronic
Probable
Current weekPrevious 52 weeks Max †Cum YTD 2024 †Cum YTD 2023 †
U.S. Residents, excluding U.S. Territories 901 NC 901 NP
New England 149 NC 149 NP
Connecticut - NC - NP
Maine 4 NC 4 NP
Massachusetts 142 NC 142 NP
New Hampshire 2 NC 2 NP
Rhode Island - NC - NP
Vermont 1 NC 1 NP
Middle Atlantic 184 NC 184 NP
New Jersey - NC - NP
New York (excluding New York City) - NC - NP
New York City 103 NC 103 NP
Pennsylvania 81 NC 81 NP
East North Central 117 NC 117 NP
Illinois - NC - NP
Indiana N NC N NP
Michigan 19 NC 19 NP
Ohio 94 NC 94 NP
Wisconsin 4 NC 4 NP
West North Central 49 NC 49 NP
Iowa 25 NC 25 NP
Kansas 13 NC 13 NP
Minnesota - NC - NP
Missouri 10 NC 10 NP
Nebraska 1 NC 1 NP
North Dakota - NC - NP
South Dakota - NC - NP
South Atlantic 186 NC 186 NP
Delaware - NC - NP
District of Columbia - NC - NP
Florida 110 NC 110 NP
Georgia - NC - NP
Maryland 8 NC 8 NP
North Carolina N NC N NP
South Carolina 11 NC 11 NP
Virginia 17 NC 17 NP
West Virginia 40 NC 40 NP
East South Central 54 NC 54 NP
Alabama 37 NC 37 NP
Kentucky N NC N NP
Mississippi - NC - NP
Tennessee 17 NC 17 NP
West South Central 19 NC 19 NP
Arkansas 2 NC 2 NP
Louisiana 17 NC 17 NP
Oklahoma - NC - NP
Texas N NC N NP
Mountain 80 NC 80 NP
Arizona U NC U NP
Colorado 34 NC 34 NP
Idaho 1 NC 1 NP
Montana 1 NC 1 NP
Nevada 3 NC 3 NP
New Mexico 16 NC 16 NP
Utah 25 NC 25 NP
Wyoming - NC - NP
Pacific 63 NC 63 NP
Alaska 26 NC 26 NP
California - NC - NP
Hawaii U NC U NP
Oregon 37 NC 37 NP
Washington - NC - NP
U.S. Territories - NC - NP
American Samoa - NC - NP
Commonwealth of Northern Mariana Islands - NC - NP
Guam - NC - NP
Puerto Rico - NC - NP
U.S. Virgin Islands - NC - NP
Non-U.S. Residents - NC - NP
Total 901 NC 901 NP
  • 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).
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.