Diseases of Public Health Significance
The following specified diseases, known as Diseases of Public Health Significance, (Ontario Regulation 135/18 and amendments under the Health Protection and Promotion Act, 1990) are to be reported to the local Medical Officer of Health or designate.
Note: Disease marked ** and all respiratory infection outbreaks in institutions should be reported immediately by telephone, to the Medical Officer of Health. Other diseases are to be reported the next working day.
- Acquired Immunodeficiency Syndrome (AIDS)
- Acute Flaccid Paralysis
- Amebiasis
- Anaplasmosis
- Anthrax**
- Babesiosis
- Blastomycosis
- Botulism**
- Brucellosis**
- Campylobacter enteritis
- Carbapenemase-producing Enterobacteriaceae (CPE) infection or colonization
- Chancroid
- Chickenpox (Varicella)
- Chlamydia trachomatis infections
- Cholera
- Clostridium difficile infection (CDI) outbreaks in public hospitals**
- Coronavirus, novel strains including Severe Acute Respiratory Syndrome (SARS) and Middle East Respiratory Syndrome (MERS) and COVID-19 (2019 nCoV)**
- Creutzfeldt-Jakob Disease, all types**
- Cryptosporidiosis
- Cyclosporiasis
- Diphtheria**
- Echinococcus multilocularis infection
- Encephalitis, post-infectious, vaccine-related, subacute sclerosing panencephalitis, unspecified
- Encephalitis, primary, viral
- Food poisoning, all causes
- Gastroenteritis, outbreaks in institutions and public hospitals**
- Giardiasis, except asymptomatic cases
- Gonorrhoea
- Group A Streptococcal disease, invasive**
- Group B Streptococcal disease, neonatal
- Haemophilus influenzae disease, all types, invasive**
- Hantavirus pulmonary syndrome**
- Hemorrhagic fevers, including: Ebola virus disease, Marburg virus disease, Lassa fever, and other viral causes**
- Hepatitis A, viral**
- Hepatitis B, viral
- Hepatitis C, viral
- Influenza
- Legionellosis
- Leprosy
- Listeriosis
- Lyme Disease
- Measles**
- Meningitis, acute, including: bacterial, viral and other**
- Meningococcal disease, invasive**
- Mumps
- Ophthalmia neonatorum
- Paralytic Shellfish Poisoning
- Paratyphoid Fever
- Pertussis (Whooping Cough)
- Plague**
- Pneumococcal disease, invasive
- Poliomyelitis, acute**
- Powassan virus
- Psittacosis/Ornithosis
- Q Fever**
- Rabies**
- Respiratory infection outbreaks in institutions and public hospitals**
- Rubella
- Rubella, congenital syndrome
- Salmonellosis
- Shigellosis
- Smallpox and other orthopoxviruses, including mpox**
- Syphilis
- Tetanus
- Trichinosis
- Tuberculosis
- Tularemia
- Typhoid Fever
- Verotoxin-producing E. coli infection, including Haemolytic Uraemic Syndrome (HUS)**
- West Nile Virus Illness
- Yersiniosis
To report a disease or for more information, please contact the Porcupine Health Unit at 705-267-1181, toll-free 1-800-461-1818 or by confidential fax at 705-360-7324.
Ontario Regulation 135/18 under the Health Protection and Promotion Act amended on May 1, 2018.