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Communicable Disease Reporting

Communicable Disease Reporting Rule

How to Report

Immediately reportable conditions should be called to the IDOH Epidemiology Resource Center at 317-233-7125 (8:15 am – 4:45 pm EST) or 317-233-1325 (after hours, weekends, holidays).

All other conditions should be reported via Morbidity Report in NBS or via the specific reporting form below:

Acquired Immunodeficiency Syndrome (AIDS)Cysticercosis (Taenia solium)Hepatitis, viral, Type Delta*MumpsStaphylococcus aureus, vancomycin resistance level of MIC ≥ 8 µg/mL or severe Staphylococcus aureus in a previously healthy person
*Animal Bites! Dengue! Hepatitis, viral, Type E*Novel influenza AStreptococcus pneumoniae, invasive disease and antimicrobial susceptibility testing
Anaplasmosis (Anaplasma species)! Diphtheria (Corynebacterium diphtheriae)Hepatitis, viral, unspecified*Pertussis (Bordetella pertussis)Streptococcus, Group A, invasive disease (Streptococcus pyogenes)
! Anthrax (Bacillus anthracis)! Eastern equine encephalitis (EEE) Histoplasmosis (Histoplasma capsulatum)! Plague (Yersinia pestis)Syphilis (Treponema pallidum
! Arboviral (Eastern Equine, St. Louis, La Crosse, West Nile, California, Western Equine, Powassan, Japanese)Ehrlichiosis (Ehrlichia species)HIV infection/disease (The following conditions related to HIV are laboratory reportable) Cryptococcus neoformans
Kaposi’s sarcoma (biopsies)
Pneumocystis carinii
! PoliomyelitisTetanus (Clostridium tetani)
Babesiosis (Babesia species)

! Escherichia coli infection (Shiga toxin‐ producing E. coli (STEC)) including, but not limited to: E. coli O157; E. coli O157:H7; Shiga toxin detected; or Non‐O157 E. coli

! HIV infection/disease, pregnant woman or perinatally exposed infant! Powassan virusToxic shock syndrome (streptococcal or staphylococcal)
! Botulism (Clostridium botulinum)Giardiasis (Giardia species)Influenza‐associated death (all ages)Psittacosis (Chlamydia psittaci)Trichinosis (Trichinella spiralis)
! Brucellosis (Brucella species)Gonorrhea (Neisseria gonorrheae)! Japanese encephalitis! Q Fever (Coxiella burnetti)*Tuberculosis, cases, suspects, and latent infection (Mycobacterium tuberculosis)
For latent infection, a positive screening test, negative or normal chest x‐ray, no evidence of extra‐pulmonary disease, and provider diagnosis are necessary. Report latent infection within five (5) business days.
Campylobacteriosis (Campylobacter species)Granuloma inguinale (Calymmatobacterium granulomatis)! La Crosse encephalitis (California serogroup viruses)! Rabies in humans or animals, confirmed and suspect animal with human exposure! Tularemia (Francisella tularensis)
Carbapenemase‐producing Carbapenem‐ resistant Enterobacteriaceae (CP‐CRE)*Haemophilus influenzae, invasive diseaseLegionellosis (Legionella species) Rabies, postexposure treatment! Typhoid and paratyphoid fever, cases and carriers (Salmonella Typhi or Paratyphi)
Chancroid (Haemophilus ducreyi)Hansen’s disease (leprosy) (Mycobacterium
Leptospirosis (Leptospira speciesRocky Mountain spotted fever (Rickettsia species)Typhus, endemic (flea‐borne)
! Chikungunya virus! Hantavirus pulmonary syndromeListeriosis (Listeria monocytogenes,
! Rubella (German Measles)Varicella (chicken pox)
Chlamydia trachomatis, genital infection! Hemolytic uremic syndrome, postdiarrhealLyme disease (Borrelia burgdorferi! Rubella congenital syndromeVibriosis (Vibrio species)
! Cholera (Vibrio cholerae)! Hepatitis, viral, Type ALymphogranuloma venereumSalmonellosis, non‐typhoidal (Salmonella species)! West Nile Virus (WNV)


Hepatitis, viral, Type BMalaria (Plasmodium species)! Shigellosis (Shigella species)! Western equine encephalitis (WEE)

*COVID-19, cases, deaths

! Hepatitis, viral, Type B, pregnant woman (acute and chronic) or perinatally exposed infant! Measles (Rubeola)! Smallpox (Variola infection) Adverse events or complications due to smallpox vaccination (vaccinia virus infection) or secondary transmission to others after vaccination.! Yellow fever
Cryptosporidiosis (Cryptosporidium
Hepatitis, viral, Type C (acute), within five (5) business days! Meningococcal disease (Neisseria meningitidis, invasive)! St. Louis encephalitis (SLE)Yersiniosis (Yersinia species)
Cyclosporiasis (Cyclospora cayetanensis) *Monkeypox  

! Report immediately on suspicion.   * Report within 24 hours.   All others report within 72 hours or as noted.

Upcoming Changes to Communicable Disease Reporting - 2022

Additional Resources

Page last updated: July 8, 2022