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 Hepatitis C, chronic
Confirmed
Current weekPrevious 52 weeks Max †Cum YTD 2024 †Cum YTD 2023 †
U.S. Residents, excluding U.S. Territories 587 NC 2,092 NP
New England 60 NC 214 NP
Connecticut - NC - NP
Maine 9 NC 17 NP
Massachusetts 48 NC 184 NP
New Hampshire - NC 1 NP
Rhode Island - NC 6 NP
Vermont 3 NC 6 NP
Middle Atlantic 125 NC 327 NP
New Jersey - NC - NP
New York (excluding New York City) - NC - NP
New York City 75 NC 152 NP
Pennsylvania 50 NC 175 NP
East North Central 65 NC 266 NP
Illinois 1 NC 14 NP
Indiana N NC N NP
Michigan 4 NC 44 NP
Ohio 52 NC 177 NP
Wisconsin 8 NC 31 NP
West North Central 35 NC 159 NP
Iowa 5 NC 18 NP
Kansas 2 NC 6 NP
Minnesota - NC - NP
Missouri 27 NC 123 NP
Nebraska - NC 11 NP
North Dakota 1 NC 1 NP
South Dakota - NC - NP
South Atlantic 67 NC 459 NP
Delaware 4 NC 15 NP
District of Columbia - NC - NP
Florida - NC 198 NP
Georgia - NC - NP
Maryland 12 NC 47 NP
North Carolina N NC N NP
South Carolina - NC 19 NP
Virginia 30 NC 98 NP
West Virginia 21 NC 82 NP
East South Central 97 NC 256 NP
Alabama 47 NC 146 NP
Kentucky N NC N NP
Mississippi - NC - NP
Tennessee 50 NC 110 NP
West South Central 33 NC 125 NP
Arkansas 1 NC 7 NP
Louisiana 26 NC 110 NP
Oklahoma 6 NC 8 NP
Texas N NC N NP
Mountain 79 NC 200 NP
Arizona U NC U NP
Colorado 29 NC 83 NP
Idaho 8 NC 13 NP
Montana 4 NC 20 NP
Nevada 11 NC 22 NP
New Mexico 21 NC 41 NP
Utah 6 NC 21 NP
Wyoming - NC - NP
Pacific 26 NC 86 NP
Alaska 11 NC 48 NP
California - NC - NP
Hawaii U NC U NP
Oregon 15 NC 38 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 1 NP
Total 587 NC 2,093 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.