Diseases of Public Health Significance (DOPHS)
Suspected or confirmed cases of the following specified Diseases (as per Ontario Regulation 135/18 and amendments under the Health Protection and Promotion Act, R.S.O. c.H.7) must be reported to the local Medical Officer of Health.
Contact the Communicable Disease Control Program; Monday to Friday 8:30 a.m. to 4:30 p.m.
Telephone: 705-474-1400 or 1-800-563-2808 ext. 5229; Fax: 705-482-0670
After hours, weekends and holidays: Call 705-474-1400 then press 0 for Answering Service
Given the public health action associated with case and contact follow-up for some DOPHS, it is expected that the following be reported immediately by fax and telephone to the local Medical Officer of Health. | ||
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Anthrax | Group A Streptococcal disease, invasive | Meningococcal disease, invasive |
Botulism | Haemophilus influenzae disease, all types, invasive | Plague |
Brucellosis | Hantavirus pulmonary syndrome | Poliomyelitis, acute |
Creutzfeldt-Jakob Disease, all types | Hemorrhagic fevers, including: Ebola, Marburg, Lassa fever, and other viral causes | Q Fever |
Diphtheria | Hepatitis A, viral | Rabies |
Diseases caused by a novel coronavirus, including COVID-19, Severe Acute Respiratory Syndrome (SARS) and Middle East Respiratory Syndrome (MERS) | Measles | Smallpox and other Orthopoxviruses including Mpox |
It is expected that health care providers report to the local Medical Officer of Health as soon as possible, but preferably within one business day. | ||
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Acquired Immunodeficiency Syndrome (AIDS) | Gastroenteritis, outbreaks in institutions and public hospitals | Pneumococcal disease, invasive |
Acute Flaccid Paralysis | Giardiasis, except asymptomatic cases | Psittacosis/Ornithosis |
Amebiasis | Gonorrhea | Respiratory infection outbreaks in institutions and public hospitals |
Blastomycosis | Group B Streptococcal disease, neonatal | Rubella |
Campylobacter enteritis | Hepatitis B, viral | Rubella, congenital syndrome |
Carbapenemase-producing Enterobacteriaceae (CPE) infection or colonization | Hepatitis C, viral | Salmonellosis |
Chancroid | Influenza | Shigellosis |
Chickenpox (Varicella) | Legionellosis | Syphilis |
Chlamydia trachomatis infections | Leprosy | Tetanus |
Cholera | Listeriosis | Trichinosis |
Clostridium difficile (CDI) outbreaks in public hospitals | Lyme Disease | Tuberculosis |
Cryptosporidiosis | Meningitis; acute, including: bacterial, viral and other | Tularemia |
Cyclosporiasis | Mumps | Typhoid fever |
Echinococcus multiocularis infection | Ophthalmia neonatorum | Verotoxin-producing E.coli infection including Haemolytic Uraemic Syndrome (HUS) |
Encephalitis, primary, viral | Paralytic Shellfish Poisoning | West Nile Virus Illness |
Encephalitis, post-infectious; vaccine-related; subacute sclerosing panencephalitis; unspecified | Paratyphoid Fever | Yersiniosis |
Food poisoning, all causes | Pertussis (Whooping Cough) |