Notice: For data on COVID-19 in the United States, please see https://www.cdc.gov/coronavirus/2019-ncov/cases-in-us.html

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

TABLE 1ff. Weekly cases* of notifiable diseases, United States, U.S. Territories, and Non-U.S. Residents week ending December 5, 2020 (Week 49)
Reporting Area Severe acute respiratory syndrome-associated coronavirus disease Shiga toxin-producing Escherichia coli (STEC) Shigellosis
Current weekPrevious 52 weeks Max †Cum YTD 2020 †Cum YTD 2019 †Current weekPrevious 52 weeks Max †Cum YTD 2020 †Cum YTD 2019 †Current weekPrevious 52 weeks Max †Cum YTD 2020 †Cum YTD 2019 †
U.S. Residents, excluding U.S. Territories - 3 - - 33 794 6,658 15,675 41 979 7,026 16,767
New England - 2 - - 1 12 235 365 1 13 214 484
Connecticut - 0 - - - 5 69 127 - 5 46 118
Maine - 0 - - - 3 11 24 - 2 3 12
Massachusetts - 2 - - 1 6 71 93 1 8 122 238
New Hampshire - 0 - - - 2 20 33 - 2 5 21
Rhode Island - 0 - - - 3 26 45 - 4 31 84
Vermont - 0 - - - 4 38 43 - 3 7 11
Middle Atlantic - 0 - - 6 53 931 1,689 12 47 857 2,138
New Jersey - 0 - - - 4 1 51 - 10 76 507
New York (excluding New York City) - 0 - - 6 36 346 505 6 12 151 315
New York City - 0 - - - 18 337 714 5 28 478 1,068
Pennsylvania - 0 - - - 13 247 419 1 11 152 248
East North Central - 0 - - - 41 948 2,129 - 31 497 1,358
Illinois - 0 - - - 14 235 536 - 15 184 440
Indiana - 0 - - - 7 102 212 - 4 15 135
Michigan - 0 - - - 5 24 283 - 6 47 205
Ohio - 0 - - - 21 335 574 - 10 190 419
Wisconsin - 0 - - - 14 252 524 - 6 61 159
West North Central - 2 - - - 43 788 2,267 - 17 151 623
Iowa - 0 - - - 23 312 576 - 5 53 98
Kansas - 0 - - - 8 105 222 - 1 11 53
Minnesota - 0 - - - 11 - 685 - 10 - 275
Missouri - 2 - - - 10 194 377 - 5 37 115
Nebraska - 0 - - - 11 145 198 - 4 36 61
North Dakota - 2 - - - 3 29 77 - 6 10 13
South Dakota - 0 - - - 3 3 132 - 1 4 8
South Atlantic - 0 - - 4 46 956 2,404 2 76 1,024 2,893
Delaware - 0 - - - 3 18 34 - 2 7 28
District of Columbia - 0 - - - 1 4 12 - 3 24 73
Florida - 0 - - - 24 285 746 - 34 374 1,344
Georgia - 0 - - - 12 184 459 - 19 241 574
Maryland - 0 - - - 6 91 233 - 6 93 189
North Carolina - 0 - - - 13 77 375 - 14 109 306
South Carolina - 0 - - - 5 72 112 - 4 62 125
Virginia - 0 - - 4 14 189 370 2 22 110 233
West Virginia - 0 - - - 4 36 63 - 1 4 21
East South Central - 0 - - 1 20 355 941 - 44 508 775
Alabama - 0 - - 1 8 93 132 - 35 336 343
Kentucky - 0 - - - 10 38 363 - 3 22 121
Mississippi - 0 - - - 3 12 77 - 5 30 139
Tennessee - 0 - - - 13 212 369 - 7 120 172
West South Central - 0 - - 15 129 525 1,559 14 419 1,374 4,057
Arkansas - 0 - - - 7 56 131 - 5 30 156
Louisiana - 0 - - - 4 37 83 - 16 137 515
Oklahoma - 0 - - 2 27 96 206 - 48 119 110
Texas - 0 - - 13 95 336 1,139 14 354 1,088 3,276
Mountain - 0 - - 4 32 780 1,392 6 25 526 992
Arizona - 0 - - 3 7 172 282 5 13 230 410
Colorado - 0 - - 1 13 224 476 1 12 181 260
Idaho - 0 - - - 9 118 199 - 3 2 47
Montana - 0 - - - 5 58 66 - 2 9 10
Nevada - 0 - - - 3 13 49 - 4 13 81
New Mexico - 0 - - - 4 28 93 - 5 48 123
Utah - 0 - - - 15 154 178 - 4 43 60
Wyoming - 0 - - - 3 13 49 - 0 - 1
Pacific - 1 - - 2 489 1,140 2,929 6 378 1,875 3,447
Alaska - 0 - - - 2 4 6 - 1 1 6
California - 0 - - - 43 885 2,583 3 76 1,501 3,206
Hawaii - 0 - - - 2 6 3 - 3 25 79
Oregon - 1 - - 2 11 199 337 - 23 177 156
Washington - 0 - - - 465 46 - 3 314 171 -
U.S. Territories - 0 - - - 0 - 1 - 1 - 36
American Samoa - 0 - - - 0 - - - 0 - -
Commonwealth of Northern Mariana Islands - 0 - - - 0 - - - 0 - -
Guam - 0 - - - 0 - - - 1 - 30
Puerto Rico - 0 - - - 0 - 1 - 0 - 6
U.S. Virgin Islands - 0 - - - 0 - - - 0 - -
Non-U.S. Residents - 0 - - - 0 - 4 - 2 3 5
Total - 3 - - 33 794 6,658 15,680 41 979 7,029 16,808
  • 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 2020 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://wwwn.cdc.gov/nndss/document/Users_guide_WONDER_tables_cleared_final.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).
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 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://wwwn.cdc.gov/nndss/conditions/. 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://wwwn.cdc.gov/nndss/infectious-tables.html.
Acknowledgement:
  • 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.