Notice: Improvements in data processing at CDC were applied to 2020 and 2021 data beginning with the tables published for week 47. Case count changes between tables published for week 46 and week 47 may be due to changes in data processing rules and not due to changes in disease levels.

Nationally Notifiable Infectious Diseases and Conditions, United States: Weekly Tables

TABLE 1ee. Weekly cases* of notifiable diseases, United States, U.S. Territories, and Non-U.S. Residents week ending November 27, 2021 (Week 47)
Reporting Area Salmonella Paratyphi infection § Salmonella Typhi infection ¶ Salmonellosis (excluding Salmonella Typhi infection and Salmonella Paratyphi infection) **
Current weekPrevious 52 weeks Max †Cum YTD 2021 †Cum YTD 2020 †Current weekPrevious 52 weeks Max †Cum YTD 2021 †Cum YTD 2020 †Current weekPrevious 52 weeks Max †Cum YTD 2021 †Cum YTD 2020 †
U.S. Residents, excluding U.S. Territories 1 4 48 72 2 15 130 160 280 1,674 33,677 39,338
New England - 2 6 5 - 2 10 7 7 83 1,618 1,432
Connecticut - 2 3 2 - 2 6 3 - 19 350 330
Maine - 0 - - - 0 - - - 10 123 101
Massachusetts - 2 3 3 - 1 4 4 7 45 858 683
New Hampshire - 0 - - - 1 - - - 10 118 141
Rhode Island - 0 - - - 0 - - - 8 114 102
Vermont - 0 - - - 0 - - - 5 55 75
Middle Atlantic 1 1 10 9 - 3 25 44 31 131 3,453 4,149
New Jersey - 0 - - - 0 - 8 - 21 14 986
New York (excluding New York City) - 1 5 3 - 3 8 5 14 59 1,158 1,061
New York City 1 1 3 5 - 2 10 20 15 52 1,062 859
Pennsylvania - 1 2 1 - 1 7 11 2 52 1,219 1,243
East North Central - 2 4 15 2 2 10 10 22 172 3,600 4,488
Illinois - 1 2 11 - 2 6 5 - 117 1,544 1,257
Indiana - 0 - - - 0 - 1 - 13 81 631
Michigan - 0 - 3 - 0 - 1 - 9 24 862
Ohio - 1 2 - 2 1 4 3 21 43 1,127 1,083
Wisconsin - 0 - 1 - 0 - - 1 40 824 655
West North Central - 1 2 4 - 1 4 5 11 63 1,745 2,915
Iowa - 1 1 3 - 0 - - 1 32 606 559
Kansas - 0 - - - 1 2 - 6 21 357 446
Minnesota - 0 - 1 - 1 - 2 - 11 - 662
Missouri - 0 - - - 1 - 3 - 16 192 742
Nebraska - 1 1 - - 1 2 - 4 19 317 252
North Dakota - 0 - - - 0 - - - 5 78 85
South Dakota - 0 - - - 0 - - - 14 195 169
South Atlantic - 1 6 7 - 2 25 25 111 409 11,093 13,487
Delaware - 0 - 1 - 1 3 1 1 12 165 178
District of Columbia - 0 - - - 0 - 2 - 2 10 31
Florida - 1 2 1 - 1 4 2 73 273 5,050 5,786
Georgia - 0 - - - 0 - 1 5 78 1,634 1,914
Maryland - 1 2 3 - 1 11 5 7 40 693 658
North Carolina - 0 - - - 1 1 4 - 66 1,027 2,207
South Carolina - 0 - - - 1 1 2 6 75 1,400 1,584
Virginia - 1 2 2 - 2 5 8 19 49 1,038 888
West Virginia - 0 - - - 0 - - - 6 76 241
East South Central - 1 2 3 - 3 9 2 9 98 2,165 2,197
Alabama - 1 1 2 - 3 7 - 8 38 786 811
Kentucky - 0 - - - 1 1 1 - 25 390 613
Mississippi - 0 - - - 0 - - - 21 207 -
Tennessee - 1 1 1 - 1 1 1 1 36 782 773
West South Central - 1 2 5 - 2 8 10 36 363 4,078 4,547
Arkansas - 1 1 - - 1 1 1 9 27 476 387
Louisiana - 1 1 1 - 0 - - 3 51 740 1,185
Oklahoma - 0 - - - 1 1 2 22 77 728 718
Texas - 0 - 4 - 2 6 7 2 280 2,134 2,257
Mountain - 2 6 5 - 2 13 6 25 88 2,502 2,231
Arizona - 0 - 2 - 2 7 3 11 32 791 586
Colorado - 0 - 1 - 1 2 3 8 41 872 550
Idaho - 1 5 - - 0 - - - 6 73 193
Montana - 0 - - - 0 - - - 6 68 183
Nevada - 0 - 2 - 1 1 - - 4 50 50
New Mexico - 0 - - - 1 2 - 3 15 280 239
Utah - 1 1 - - 1 1 - 3 22 299 331
Wyoming - 0 - - - 0 - - - 8 69 99
Pacific - 2 10 19 - 11 26 51 28 743 3,423 3,892
Alaska - 1 1 2 - 0 - - - 2 16 54
California - 2 5 17 - 4 25 49 20 99 2,481 3,278
Hawaii - 1 3 - - 1 - 1 - 8 92 120
Oregon - 0 - - - 0 - 1 2 12 288 440
Washington - 2 1 - - 10 1 - 6 703 546 -
U.S. Territories - 3 7 1 - 2 3 - - 30 295 300
American Samoa - 0 - - - 0 - - - 0 - -
Commonwealth of Northern Mariana Islands - 2 4 - - 0 - - - 1 2 3
Guam - 3 3 1 - 2 3 - - 2 8 3
Puerto Rico - 0 - - - 0 - - - 30 282 291
U.S. Virgin Islands - 0 - - - 0 - - - 1 3 3
Non-U.S. Residents - 0 - - - 0 - - - 2 2 2
Total 1 7 55 73 2 15 133 160 280 1,674 33,974 39,640
  • 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.
  • Max: Maximum — Maximum case count during the previous 52 weeks.
  • * Case counts for reporting year 2021 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).
  • § In previous years, cases were reported as Salmonellosis. Beginning in January 2019, cases began to be reported as Salmonella Paratyphi infection.
  • ¶ In previous years, cases were reported as typhoid fever. Beginning in January 2019, cases began to be reported as Salmonella Typhi infection.
  • ** In previous years, cases were reported as Salmonellosis (excluding paratyphoid fever and typhoid fever). Beginning in January 2019, cases began to be reported as Salmonellosis (excluding Salmonella Typhi infection and Salmonella Paratyphi infection).
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 as numbered tables. 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.