Reportable Diseases

DISEASES OF PUBLIC HEALTH SIGNIFICANCE

Health Protection and Promotion Act ONTARIO REGULATION 135/18

Timely reporting of communicable diseases is essential for their control.

If you suspect or have confirmation of the following specified “Diseases of Public Health Significance”, or their “etiologic agents”, as per Ontario Regulation 135/18 under the Health Protection and Promotion Act, please report them to the local Medical Officer of Health.

TO REPORT:

• Phone: 519-426-6170 or fax: 519-426-4767 (Monday to Friday 8:30 AM – 4:30 PM only)
• For after-hours and holidays, phone: 1-877-298-5888 Public Health Inspector on-call

REPORT IMMEDIATELY (24/7)

• Anthrax
• Botulism
• Brucellosis
• Creutzfeldt-Jakob Disease, all types
• Diphtheria
• Gastroenteritis outbreaks in institutions and public hospitals
• Group A Streptococcal disease, invasive
• Haemophilus influenzae disease,all types, invasive
• Hantavirus Pulmonary Syndrome
• Hemorrhagic fevers, including:
  • Ebola virus disease
  • Marburg virus disease
  • Lassa Fever
  • Other viral causes
• Hepatitis, viral
  • Hepatitis A
• Measles
• Meningococcal disease, invasive
• Plague
• Poliomyelitis, acute
• Q Fever
• Rabies
• Respiratory infection outbreaks in institutions and public hospitals
• Diseases caused by a novel coronavirus, including Severe Acute Respiratory Syndrome (SARS), Middle East Respiratory Syndrome (MERS) and COVID-19
• Smallpox and other orthopoxviruses, including monkeypox

 

REPORT BY THE NEXT WORKING DAY

• Acquired Immunodeficiency Syndrome (AIDS)
• Acute flaccid paralysis (AFP)
• Amebiasis
• Anaplasmosis
• Babesiosis
• Blastomycosis
• Campylobacter enteritis
• Carbapenemase-producing Enterobacteriaceae (CPE), infection or colonization
• Chancroid
• Chickenpox (Varicella)
• Chlamydia trachomatis infections
• Cholera
• Clostridium difficile Infection (CDI) outbreaks in public hospitals
• Cryptosporidiosis
• Cyclosporiasis
• Echinococcus Multiocularis infection
• Encephalitis, including:
  • Post-infectious
  • Vaccine-related
  • Subacute sclerosing panencephalitis
  • Unspecified
  • Primary, viral
• Food poisoning, all causes
• Giardiasis, except asymptomatic cases
• Gonorrhea
• Group B Streptococcal disease, neonatal
• Hepatitis, viral
  • Hepatitis B
  • Hepatitis C
• Influenza
• Legionellosis
• Leprosy
• Listeriosis
• Lyme Disease
• Meningitis, acute
  • viral
  • other
  • bacterial
• Mumps
• Ophthalmia neonatorum
• Paralytic shellfish poisoning (PSP)
• Paratyphoid Fever
• Pertussis (Whooping Cough)
• Pneumococcal disease, invasive
• Powassan
• Psittacosis/Ornithosis
• Rubella
• Rubella, congenital syndrome
• Salmonellosis
• Shigellosis
• Syphilis
• Tetanus
• Trichinosis
• Tuberculosis
• Tularemia
• Typhoid Fever
• Verotoxin-producing E. coli infection including Haemolytic Uraemic Syndrome (HUS)
• West Nile Virus Illness
• Yersiniosis

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