Reportable Diseases
Enroll in the Chicago Health Alert Network (HAN), a real-time communication portal for all Chicago Department of Public Health (CDPH) partners here: https://www.chicagohan.org/web/han/registration
Joining the HAN is an easy way to stay informed about emerging health threats such as hepatitis A, measles, West Nile Virus and other diseases affecting Chicago. After you sign up, we will send updates directly to your email.
By filling out the enrollment form, you are requesting access to the Chicago HAN. After signup, you will receive a confirmation email to complete your enrollment.
Chicago HAN updates are based on information that is relevant to your healthcare specialty, according to the information you supply at sign up. Enrollment provides an easy way to get the information you need to raise your awareness about identifying and reporting health threats.
Every disease reported could prevent a future outbreak.
Report serious diseases.
Call 312-743-9000. After hours, dial 311.
Know WHEN and HOW to report a disease
Reporting timeframes depend on the specific disease. For diseases to be reported immediately, dial 312-743-9000 to report a case during business hours. After hours, dial 311 and ask for the medical director on call. Cases can also be reported electronically through the Illinois Disease Surveillance System. Reporting to the Chicago Department of Public Health (CDPH) in a timely manner allows accurate tracking of the frequency of these cases and distribution of appropriate health alerts.
Per the Control of Notifiable Diseases and Conditions Code of Illinois, it is the responsibility of physicians, physician assistants, nurses, nurse assistants, infections preventionists, laboratory personnel, or any other person having knowledge of any of the following diseases, confirmed or suspected, to report the case to CDPH within the indicated timeframe, detailed below.
- Any unusual case or cluster of cases that may indicate a public health hazard (e.g. Ebola Virus Disease)
- Any suspected bioterrorism threat
- Anthrax
- Botulism, foodborne
- Brucellosis (if suspected to be a part of a bioterrorist event or part of an outbreak)
- Diphtheria
- Influenza A, novel
- Measles
- Middle Eastern Respiratory Syndrome (MERS)
- Plague
- Poliomyelitis
- Q-fever (if suspected to be a bioterrorist event or part of an outbreak)
- Smallpox
- Severe Acute Respiratory Syndrome (SARS)
- Tularemia (if suspected to be a bioterrorist event or part of an outbreak)
- Outbreaks of public health significance, including but not limited to foodborne, healthcare-associated, waterborne, or zoonotic disease outbreaks
- Acute Flaccid Myelitis (AFM)
- Botulism, intestinal, wound, and other
- Brucellosis
- Chickenpox (varicella)
- Cholera (Vibrio cholerae O1 or O139)
- Cronobacter in infants
- Escherichia coli infections (O157:H7 and other Shiga toxin-producing E. coli)
- Haemophilus influenzae, meningitis and other invasive disease
- Hantavirus pulmonary syndrome
- Hemolytic uremic syndrome, post diarrheal
- Hepatitis A
- Melioidosis due to Burkholderia pseudomallei
- Mumps
- Neisseria meningitidis, invasive disease and purpura fulminans
- Pertussis (whooping cough)
- Q-fever due to Coxiella burnetii
- Rabies, human, animal, and potential human exposure
- Rubella
- Staphylococcus aureus infections with intermediate or high level resistance to vancomycin
- Staphylococcus infections, Group A, invasive disease in persons admitted to the hospital or residing in a congregate residential facility
- Toxic shock syndrome due to Staphylococcus aureus infection
- Tularemia
- Typhoid Fever and Paratyphoid fever
- Typhus
- Arboviral Infection (e.g., West Nile virus, Dengue virus, St. Louis encephalitis, Chikungunya and Zika virus)
- Campylobacteriosis
- Candida auris*
- Carbapenem-resistant organisms*
- Chancroid
- Chlamydia (including lymphogranuloma venereum)
- COVID-19 deaths in persons less than 18 years of age
- COVID-19 intensive care unit admissions
- Cryptosporidiosis
- Cyclosporiasis
- Gonorrhea
- Hepatitis B, acute infection, perinatal and non-acute confirmed infection
- Hepatitis C, acute infection, perinatal and non-acute confirmed infection
- Histoplasmosis
- HIV infection
- Influenza deaths in persons less than 18 years of age
- Influenza intensive care unit admissions
- Legionellosis
- Leptospirosis
- Listeriosis
- Malaria
- Mpox
- Multi-drug resistant organisms*
- Psittacosis due to Chlamydia psittaci
- Respiratory Syncytial Virus (RSV) deaths in persons less than 18 years of age
- Respiratory Syncytial Virus (RSV) intensive care unit admissions
- Salmonellosis (other than typhoid or paratyphoid)
- Shigellosis
- Streptococcus pneumoniae, invasive disease in persons less than 5 years of age
- Syphilis (including congenital syphilis)
- Tetanus
- Tickborne Disease (e.g., ehrlichiosis, anaplasmosis, babesiosis, Lyme disease, and spotted fever rickettsioses)
- Trichinosis
- Tuberculosis
- Vibriosis (non-cholera Vibrio infections)
*Also reportable to the Illinois XDRO registry. See the Healthcare Associated Infections/Antimicrobial Resistance HAN page for more details about reporting these conditions.
DOWNLOAD a pdf of reportable diseases and reporting timeframes to keep on hand as a reference
