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 1m. Weekly cases* of notifiable diseases, United States, U.S. Territories, and Non-U.S. Residents week ending December 4, 2021 (Week 48)
Reporting Area Gonorrhea Haemophilus influenzae, invasive disease
All ages, all serotypes Age <5 years
Serotype b
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 5,022 15,641 582,468 608,067 30 62 1,866 2,770 - 2 14 14
New England 38 326 9,518 13,116 - 7 75 127 - 0 - -
Connecticut - 129 60 4,224 - 2 10 29 - 0 - -
Maine - 20 383 455 - 1 11 9 - 0 - -
Massachusetts - 197 7,295 6,779 - 4 36 53 - 0 - -
New Hampshire 1 21 445 423 - 1 3 16 - 0 - -
Rhode Island 35 129 1,204 1,111 - 2 12 11 - 0 - -
Vermont 2 8 131 124 - 2 3 9 - 0 - -
Middle Atlantic 823 1,614 65,052 64,281 6 13 234 366 - 1 4 4
New Jersey 161 241 8,659 9,099 - 1 10 64 - 0 - -
New York (excluding New York City) 304 430 13,501 15,844 2 6 56 99 - 1 1 1
New York City 184 692 25,585 22,806 3 4 43 64 - 0 - 1
Pennsylvania 174 438 17,307 16,532 1 7 125 139 - 1 3 2
East North Central 273 2,560 82,038 98,398 1 16 368 493 - 1 6 5
Illinois 31 703 19,033 27,992 - 5 73 104 - 0 - 1
Indiana 19 381 11,885 12,479 - 4 73 85 - 1 2 1
Michigan 71 579 16,859 20,781 1 6 69 94 - 0 - 1
Ohio - 755 24,519 27,917 - 7 125 145 - 1 3 1
Wisconsin 152 267 9,742 9,229 - 3 28 65 - 1 1 1
West North Central 139 1,191 33,233 42,238 1 5 67 236 - 0 - -
Iowa 21 178 5,648 6,204 - 1 2 2 - 0 - -
Kansas 10 136 2,194 5,014 - 2 6 42 - 0 - -
Minnesota 51 244 8,836 9,338 - 2 1 56 - 0 - -
Missouri - 723 9,718 14,881 - 4 23 91 - 0 - -
Nebraska 44 108 3,084 3,094 1 2 18 23 - 0 - -
North Dakota 11 50 1,380 1,515 - 2 5 5 - 0 - -
South Dakota 2 70 2,373 2,192 - 2 12 17 - 0 - -
South Atlantic 1,466 3,675 126,429 128,716 7 18 482 662 - 1 1 1
Delaware - 91 1,420 1,244 - 2 6 7 - 0 - -
District of Columbia 38 115 3,912 3,480 - 0 - 6 - 0 - -
Florida 654 1,047 40,824 36,172 6 9 195 194 - 1 1 -
Georgia 256 547 19,520 21,205 1 8 101 119 - 0 - 1
Maryland - 298 10,194 10,856 - 4 52 71 - 0 - -
North Carolina - 655 20,689 25,568 - 6 39 123 - 0 - -
South Carolina 263 515 15,084 15,042 - 3 33 46 - 0 - -
Virginia 243 804 13,319 13,543 - 5 44 64 - 0 - -
West Virginia 12 49 1,467 1,606 - 2 12 32 - 0 - -
East South Central 433 2,206 49,344 48,026 2 8 149 206 - 0 - 2
Alabama 265 395 14,762 12,787 - 5 66 53 - 0 - 1
Kentucky 160 1,424 7,514 6,233 2 2 25 36 - 0 - 1
Mississippi 8 348 10,797 12,452 - 2 23 28 - 0 - -
Tennessee - 562 16,271 16,554 - 3 35 89 - 0 - -
West South Central 296 2,333 75,546 83,278 5 15 287 345 - 0 - 1
Arkansas 58 193 6,420 7,178 1 3 38 40 - 0 - -
Louisiana 130 385 14,429 13,836 - 5 67 60 - 0 - 1
Oklahoma 37 266 5,703 10,140 2 8 69 78 - 0 - -
Texas 71 1,508 48,994 52,124 2 13 113 167 - 0 - -
Mountain 335 1,101 43,330 39,466 7 7 147 244 - 1 2 1
Arizona 26 391 16,042 14,742 2 4 53 89 - 1 1 -
Colorado 200 282 9,726 8,682 - 1 - 48 - 0 - -
Idaho 24 52 1,052 1,346 - 2 15 15 - 0 - -
Montana 14 42 1,284 1,555 2 2 16 12 - 0 - -
Nevada - 299 7,046 5,809 - 3 17 15 - 1 1 -
New Mexico 10 124 4,405 4,211 2 2 18 28 - 0 - 1
Utah 60 93 3,339 2,756 1 3 28 33 - 1 - -
Wyoming 1 20 436 365 - 0 - 4 - 0 - -
Pacific 1,219 2,337 97,978 90,548 1 9 57 91 - 1 1 -
Alaska - 56 1,638 1,814 - 2 11 11 - 0 - -
California 941 1,934 83,826 70,829 - 2 14 20 - 0 - -
Hawaii - 35 - 1,340 - 1 4 11 - 0 - -
Oregon 143 153 5,785 5,789 1 2 28 49 - 1 1 -
Washington 135 214 6,729 10,776 - 6 - - - 0 - -
U.S. Territories - 18 218 348 - 0 - - - 0 - -
American Samoa - 0 - - - 0 - - - 0 - -
Commonwealth of Northern Mariana Islands - 0 - - - 0 - - - 0 - -
Guam - 0 - - - 0 - - - 0 - -
Puerto Rico - 18 218 348 - 0 - - - 0 - -
U.S. Virgin Islands - 0 - - - 0 - - - 0 - -
Non-U.S. Residents - 10 40 4 - 0 - - - 0 - -
Total 5,022 15,649 582,726 608,419 30 62 1,866 2,770 - 2 14 14
  • 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).
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.