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Reportable Diseases & Conditions

Download Reportable Diseases and Conditions (PDF)

TO REPORT: CALL 708-836-8600 AND PRESS 2

Sortable, searchable table of  Diseases & Conditions

Key:

circle red IMMEDIATE – WITHIN 3 HOURS: Reportable by phone as soon as possible, but within 3 hours

circle orange WITHIN 24 HOURS: Reportable by phone as soon as possible, but within 24 hours

circle yellow WITHIN 3 DAYS: Reportable by phone as soon as possible, but within 3 days

Disease or ConditionReporting Importance / timeframe
Acute Flaccid Myelitisorange dot Within 24 Hours
African Tick Bite Feveryellow dot Within 3 days
Anaplasmosisyellow dot Within 3 days
Anthraxred dot Immediate - Within 3 hours
Any suspected bioterrorist threatred dot Immediate - Within 3 hours
Any unusual case or cluster of cases that may indicate a public health hazardred dot Immediate - Within 3 hours
Arbovirusesyellow dot Within 3 days
Babesiosisyellow dot Within 3 days
Botulism, foodbornered dot Immediate - Within 3 hours
Botulism, intestinal, wound, other outbreaks of public health significanceorange dot Within 24 Hours
Bourbon virusyellow dot Within 3 days
Brucellosis*orange dot Within 24 Hours
California encephalitis virusyellow dot Within 3 days
Campylobacteriosisyellow dot Within 3 days
Candida auris**yellow dot Within 3 days
Carbapenem-resistant Enterobacterales**yellow dot Within 3 days
Chancroidyellow dot Within 3 days
Chikungunya virusyellow dot Within 3 days
Chlamydiayellow dot Within 3 days
Choleraorange dot Within 24 Hours
Coronavirus, Novelred dot Immediate - Within 3 hours
COVID-19 deaths in those <18 yearsyellow dot Within 3 days
COVID-19 ICU admissionsyellow dot Within 3 days
Cronobacter in infants <18 monthsorange dot Within 24 Hours
Cryptosporidiosisyellow dot Within 3 days
Cyclosporiasisyellow dot Within 3 days
Dengue viruses 1-4yellow dot Within 3 days
Diphtheriared dot Immediate - Within 3 hours
Eastern equine encephalitis virusyellow dot Within 3 days
Ehrlichiosisyellow dot Within 3 days
Escherichia coli infections (E. coli O157, and other Shiga Toxin producing E. coli)orange dot Within 24 Hours
Gonorrheayellow dot Within 3 days
Haemophilus influenzae, invasiveorange dot Within 24 Hours
Hantavirus pulmonary syndromeorange dot Within 24 Hours
Heartland virusyellow dot Within 3 days
Hemolytic uremic syndrome, post diarrhealorange dot Within 24 Hours
Hepatitis Aorange dot Within 24 Hours
Hepatitis B, acute infection, perinatal and non-acute confirmed infectionyellow dot Within 3 days
Hepatitis C, acute infection, perinatal and non-acute confirmed infectionyellow dot Within 3 days
Histoplasmosisyellow dot Within 3 days
HIV infectionyellow dot Within 3 days
Influenza A, novelred dot Immediate - Within 3 hours
Influenza ICU admissionsyellow dot Within 3 days
Influenza, deaths in those <18 yrsorange dot Within 24 Hours
Jamestown Canyon virusyellow dot Within 3 days
Japanese encephalitisyellow dot Within 3 days
Keystone virusyellow dot Within 3 days
La Crosse virusyellow dot Within 3 days
Legionellosisyellow dot Within 3 days
Leptospirosisyellow dot Within 3 days
Listeriosisyellow dot Within 3 days
Lyme diseaseyellow dot Within 3 days
Malariayellow dot Within 3 days
Measles: Suspect, Probable or Confirmedred dot Immediate - Within 3 hours
Melioidosis due to Burkholderia pseudomalleiorange dot Within 24 Hours
Middle Eastern Respiratory Syndrome (MERS)red dot Immediate - Within 3 hours
Multidrug resistant organisms**yellow dot Within 3 days
Mumpsorange dot Within 24 Hours
Neisseria meningitidis, Invasive Disease and Purpura Fulminansorange dot Within 24 Hours
Outbreaks of public health significanceorange dot Within 24 Hours
Pertussis (whooping cough)orange dot Within 24 Hours
Plaguered dot Immediate - Within 3 hours
Poliomyelitis (Polio)red dot Immediate - Within 3 hours
Powassan virusyellow dot Within 3 days
Psittacosis due to Chlamydia psittaciyellow dot Within 3 days
Q fever (Coxiella burnetii)*orange dot Within 24 Hours
Rabies, human and potential human exposure and animal rabiesorange dot Within 24 Hours
Respiratory syncytial Virus (RSV): deaths in those <18 yearsyellow dot Within 3 days
Respiratory Syncytial Virus (RSV): ICU admissionsyellow dot Within 3 days
Rocky Mountain spotted Fever (RMSF)yellow dot Within 3 days
Rubellaorange dot Within 24 Hours
S. aureus infections with intermediate or high level resistance to vancomycinorange dot Within 24 Hours
S. pneumoniae, invasive in those < 5 yearsyellow dot Within 3 days
Salmonellosis, other than typhoid or paratyphoidyellow dot Within 3 days
Severe Acute Respiratory Syndrome (SARS)red dot Immediate - Within 3 hours
Shigellosisyellow dot Within 3 days
Smallpoxred dot Immediate - Within 3 hours
Snowshoe hare virusyellow dot Within 3 days
Spotted fever rickettsiosesyellow dot Within 3 days
Streptococcal infections Group A, invasive disease, in persons admitted to the hospital or residing in a residential facilityorange dot Within 24 Hours
Syphilisyellow dot Within 3 days
Tetanusyellow dot Within 3 days
Toxic shock syndrome due to S. aureusorange dot Within 24 Hours
Trichinosisyellow dot Within 3 days
Trivittatus virusyellow dot Within 3 days
Tuberculosis (TB)yellow dot Within 3 days
Tularemia*orange dot Within 24 Hours
Typhoid fever and Paratyphoid feverorange dot Within 24 Hours
Typhusorange dot Within 24 Hours
Varicella (chickenpox)orange dot Within 24 Hours
Vibriosis (other than toxigenic Vibrio cholera O1 or O139)yellow dot Within 3 days
West Nile virusyellow dot Within 3 days
Western equine encephalitis virusyellow dot Within 3 days
Yellow fever virusyellow dot Within 3 days
Zika virusyellow dot Within 3 days
Chikungunya virusyellow dot Within 3 days
St. Louis encephalitis virusyellow dot Within 3 days

Notes:

* If bioterrorism is suspected, report immediately within 3 hours.

** Reportable to the Extensively Drug-Resistant Organism (XDRO) Registry by providers. Laboratories must also report positive test results electronically to their local health department within the indicated timeframe.

Updated September 24, 2026, 11:13 AM