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National Notifiable Infectious Diseases and Conditions: United States

TABLE 3. Reported cases of notifiable diseases, by month*, excluding U.S. territories - - United States, 2016
Disease Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. Unknown Total
Anthrax
Arboviral diseases
Chikungunya virus disease 24 27 11 6 11 17 17 34 32 25 25 18 247
Eastern equine encephalitis virus disease
Neuroinvasive 3 2 2 7
Non-neuroinvasive
Jamestown Canyon virus disease
Neuroinvasive 1 1 2 1 2 7
Non-neuroinvasive 2 3 2 1 8
La Crosse virus disease
Neuroinvasive 1 1 6 7 10 4 2 31
Non-neuroinvasive 2 2 4
Powassan virus disease
Neuroinvasive 2 1 2 2 1 4 5 4 21
Non-neuroinvasive 1 1
St. Louis encephalitis virus disease
Neuroinvasive 1 3 1 2 7
Non-neuroinvasive 1 1
West Nile virus disease
Neuroinvasive 1 7 22 151 448 383 174 64 58 1,308
Non-neuroinvasive 1 1 9 19 139 344 194 78 38 18 841
Western equine encephalitis virus disease
Neuroinvasive
Non-neuroinvasive
Babesiosis
Total 18 9 8 28 50 249 686 379 145 117 57 164 1,910
Confirmed 11 8 4 18 39 210 594 329 119 90 39 124 1,585
Probable 7 1 4 10 11 39 92 50 26 27 18 40 325
Botulism
Total 9 9 19 22 8 37 14 12 17 16 17 21 201
Foodborne 1 2 19 1 1 3 2 2 31
Infant 9 6 15 18 5 15 10 11 11 12 15 17 144
Other (wound & unspecified) 2 4 2 3 3 3 3 2 2 2 26
Brucellosis 5 6 12 14 12 10 4 17 11 12 5 19 127
Campylobacteriosis 3,289 3,104 3,053 4,559 4,615 6,018 7,983 5,907 4,885 5,665 4,097 6,945 60,120
Chancroid 1 2 1 3 7
Chlamydia trachomatis infection 118,413 124,918 120,969 154,221 124,652 115,560 147,782 129,334 124,265 155,523 117,487 165,230 1,598,354
Cholera 3 1 1 1 1 3 2 1 2 15
Coccidioidomycosis † 832 741 741 973 667 688 995 1,002 1,038 1,646 1,222 1,284 11,829
Cryptosporidiosis
Total 486 551 493 702 648 745 1,279 2,541 2,423 1,771 846 968 13,453
Confirmed 300 302 286 433 386 449 846 1,668 1,619 1,182 546 620 8,637
Probable 186 249 207 269 262 296 433 873 804 589 300 348 4,816
Cyclosporiasis 1 4 1 4 18 50 213 136 53 21 14 22 537
Dengue virus infections §
Dengue 155 63 62 53 53 64 127 118 87 54 35 32 903
Dengue-like illness 5 3 1 4 3 4 9 3 1 1 3 3 40
Severe dengue 1 1 2 2 1 1 1 1 10
Diphtheria
Ehrlichiosis and Anaplasmosis
Anaplasma phagocytophilum infection 25 14 44 159 348 926 1,013 468 205 300 414 235 4,151
Ehrlichia chaffeensis infection 10 7 10 51 132 240 347 154 137 85 31 173 1,377
Ehrlichia ewingii infection 1 2 5 5 5 1 3 22
Undetermined ehrlichiosis/anaplasmosis 1 1 3 12 20 25 60 30 11 18 11 8 200
Giardiasis 980 1,034 1,032 1,337 1,089 1,097 1,532 1,619 1,607 1,712 1,055 2,216 16,310
Gonorrhea 33,173 32,955 31,737 41,079 35,513 34,120 44,683 39,106 38,406 48,002 36,763 52,977 468,514
Haemophilus influenzae, invasive disease
All ages, all serotypes 481 383 390 582 360 351 375 266 289 390 360 668 4,895
Age <5 years
Serotype b 4 3 2 1 3 3 3 3 2 6 30
Non-b serotype 10 11 18 14 15 10 12 8 13 17 9 22 159
Nontypeable 23 25 19 14 10 12 12 10 16 8 13 34 196
Unknown serotype 17 15 12 14 15 14 11 10 6 19 22 32 187
Hansen's disease 10 8 4 7 5 5 3 14 6 11 3 2 78
Hantavirus infection, non-hantavirus pulmonary syndrome 1 1 1 1 2 6
Hantavirus pulmonary syndrome 3 1 1 4 3 1 6 2 1 1 4 4 31
Hemolytic uremic syndrome post-diarrheal 14 8 14 18 23 29 41 41 22 43 26 28 307
Hepatitis ¶
A, acute 110 123 98 141 102 106 261 281 284 204 106 191 2,007
B, acute 212 244 213 319 259 230 309 254 248 281 225 424 3,218
B, perinatal infection 1 2 2 5 1 3 3 3 1 2 4 5 32
C, acute 256 248 220 321 247 219 283 211 209 239 165 324 2,942
Human immunodeficiency virus diagnoses 3,303 3,307 3,468 3,242 3,469 3,510 3,244 3,460 2,911 2,609 1,847 403 2 34,775
Influenza-associated pediatric mortality 2 9 15 32 10 3 7 2 2 82
Invasive pneumococcal disease
All ages 1,669 1,808 2,014 2,270 1,344 981 886 593 766 1,360 1,320 2,615 17,626
Confirmed 1,667 1,806 2,013 2,269 1,342 980 886 590 765 1,356 1,319 2,610 17,603
Probable 2 2 1 1 2 1 3 1 4 1 5 23
Age <5 years 83 126 127 124 76 88 62 40 63 94 106 153 1,142
Confirmed 83 126 127 124 74 87 62 40 63 92 106 153 1,137
Probable 2 1 2 5
Legionellosis 275 230 256 298 305 439 633 688 736 876 591 814 6,141
Leptospirosis 4 6 3 2 3 8 10 9 11 5 17 78
Listeriosis 32 39 31 53 46 73 89 96 99 81 55 92 786
Lyme disease
Total 881 837 1,056 1,607 2,017 5,425 9,686 4,860 3,108 2,954 1,942 2,056 36,429
Confirmed 592 568 698 1,056 1,341 4,076 7,393 3,699 2,179 2,047 1,276 1,278 26,203
Probable 289 269 358 551 676 1,349 2,293 1,161 929 907 666 778 10,226
Malaria 87 85 75 107 144 197 231 259 226 211 117 216 1,955
Measles
Total 2 4 7 20 21 7 1 2 2 19 85
Indigenous 2 7 16 20 4 1 18 68
Imported 2 2 4 1 3 1 2 1 1 17
Meningococcal disease
All serogroups 29 29 32 50 34 28 33 20 19 27 22 52 375
Serogroups ACWY 9 8 9 16 14 8 6 9 8 11 10 18 126
Serogroup B 7 8 4 13 7 4 4 3 6 7 9 14 86
Other serogroups 2 1 5 2 1 2 1 3 1 1 2 21
Unknown serogroup 11 12 14 19 12 14 22 5 4 8 3 18 142
Mumps 202 266 314 457 347 200 129 118 405 859 1,097 1,975 6,369
Novel Influenza A virus infections 1 1 1 18 1 1 23
Pertussis 1,272 1,232 1,084 1,380 1,279 1,312 1,802 1,224 1,087 1,378 1,820 3,102 17,972
Plague 1 1 1 1 4
Poliomyelitis, paralytic
Poliovirus infection, nonparalytic
Psittacosis 1 2 2 1 1 3 1 1 12
Q fever
Total 3 7 10 15 26 12 27 10 12 16 7 19 164
Acute 3 7 6 13 22 10 25 7 8 13 5 13 132
Chronic 4 2 4 2 2 3 4 3 2 6 32
Rabies
Animal 233 315 414 400 455 504 404 636 485 374 217 167 5 4,609
Human
Rubella 1 1
Rubella, congenital syndrome 2 2
Salmonellosis 2,415 2,077 2,221 3,786 3,513 4,469 7,317 6,544 6,268 6,495 3,687 5,058 53,850
Severe acute respiratory syndrome-associated coronavirus disease
Shiga toxin-producing Escherichia coli ** 329 271 395 573 521 770 1,233 948 782 842 571 934 8,169
Shigellosis 1,699 1,640 1,663 2,027 1,801 1,825 2,106 1,650 1,466 1,949 1,349 1,922 21,097
Smallpox
Spotted fever rickettsiosis
Total 30 47 82 224 408 610 864 641 499 388 174 302 4,269
Confirmed 4 2 9 5 15 19 28 27 14 12 4 15 154
Probable 26 45 73 219 393 591 836 614 485 376 170 287 4,115
Streptococcal toxic shock syndrome 27 37 24 47 18 17 16 13 12 14 20 38 283
Syphilis
Total, all stages †† 6,490 6,907 6,831 8,612 6,861 6,453 8,293 6,856 6,642 8,662 6,648 8,787 88,042
Congenital 52 55 45 44 48 51 50 59 52 59 61 52 628
Primary and secondary 2,027 2,124 2,119 2,710 2,163 2,045 2,660 2,247 2,128 2,726 2,115 2,750 27,814
Tetanus 1 1 3 5 1 4 3 5 3 3 1 4 34
Toxic shock syndrome (other than Streptococcal) 2 5 2 2 4 7 2 4 2 6 4 40
Trichinellosis 1 2 1 2 2 3 3 4 8 26
Tuberculosis 478 642 698 777 716 837 691 853 713 803 740 1,324 9,272
Tularemia 1 5 5 11 29 34 40 30 19 20 14 22 230
Typhoid fever 32 22 20 32 28 32 36 48 43 22 24 37 376
Vancomycin-intermediate Staphylococcus aureus 10 13 9 12 8 7 12 11 8 7 3 8 108
Vancomycin-resistant Staphylococcus aureus
Varicella morbidity 781 738 733 1,026 871 608 579 407 683 827 721 979 8,953
Varicella mortality 1 1 1 3
Vibriosis
Total 48 29 29 50 67 108 227 229 165 137 62 122 1,273
Confirmed 48 25 27 50 66 105 223 225 161 132 61 118 1,241
Probable 4 2 1 3 4 4 4 5 1 4 32
Viral hemorrhagic fevers
Crimean-Congo hemorrhagic fever virus
Ebola virus
Guanarito virus
Junin virus
Lassa virus
Lujo virus
Machupo virus
Marburg virus
Sabia virus
Yellow fever 1 1
Zika virus
Zika virus disease, congenital §§ 1 2 1 6 1 4 7 3 5 30
Zika virus disease, non-congenital 139 180 137 190 287 574 1,147 1,001 520 378 341 238 5,132
Zika virus infection, congenital §§ 1 5 5 4 12 7 11 45
Zika virus infection, non-congenital 5 25 38 39 47 74 98 81 94 141 106 163 911
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    —: No reported cases
  • * Month is defined using MMWR week (http://wwwn.cdc.gov/nndss/document/MMWR_Week_overview.pdf). MMWR week calendars can be found at http://wwwn.cdc.gov/nndss/script/ downloads.aspx.
  • † Reportable in <25 states.
  • § Total number of reported laboratory-positive dengue cases, including all confirmed cases [by anti-dengue virus (DENV) molecular diagnostic methods or seroconversion of anti-DENV IgM] and all probable cases (by a single, positive anti-DENV IgM).
  • ¶ Chronic hepatitis B and C data are not included in NNDSS tables but reported case counts are included in the annual Summary of Viral Hepatitis, published online by CDC's Division of Viral Hepatitis, available at https://www.cdc.gov/hepatitis/statistics/2015surveillance/index.htm.
  • ** Includes Escherichia coli O157:H7; shiga toxin-positive, serogroup non-O157; and shiga toxin positive, not serogrouped.
  • †† Includes syphilis of all stages, including cases where stage of syphilis is not stated.
  • §§ Data reported to ArboNET using the national surveillance case definition for congenital Zika virus disease or infection (CSTE Position Statement 16-ID-01). Additional data reported to the US Zika Pregnancy Registry for outcomes of pregnancies with laboratory evidence of possible Zika virus infection are available at https://www.cdc.gov/zika/reporting/pregnancy-outcomes.html. Cases reported to the US Zika Pregnancy Registry might not meet the national surveillance case definition for congenital Zika virus disease or infection.

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