Reportable Diseases

Reportable diseases (suspected or confirmed cases) must be reported to the Medical Officer of Health by telephone or fax, under the Health Protection and Promotion Act, R.S.O., 1990, Chapter H7.

Download the Reportable Diseases List  (PDF, 1 page, 479 KB).

How to report by phone

Call the Reportable Disease and Outbreak Reporting Line at 1-800-265-7293 ext. 4752. After business hours, on weekends, or on statutory holidays, call 1-877-884-8653.

When reporting, include the following details:

  • Case’s name
  • Date of birth
  • Disease (specify if suspect or confirmed)
  • Symptoms (list)
  • Onset of symptoms
  • Address
  • Telephone number
  • Specimens taken, if any
  • Family physician‘s name and location of practice (e.g. City)
  • Name of person reporting, designation, and contact information

Public Health’s role includes:

  • Investigating all reports of confirmed and suspected cases of reportable diseases in the community and within institutions (schools, licensed daycares, hospitals and long-term care homes).
  • Managing cases and contacts. Includes:
    • Information on treatment and chemoprophylaxis of contacts
    • Advice on required testing and/or specimen sample submission
    • Recommendations about infection prevention and control measures
    • Advice on immunization or immune-globulin to cases and contacts
    • Counselling for cases and contacts about disease prevention
  • Inspecting institutions, premises or facilities where cases and/or disease transmission is suspected.
  • Issue Physician Advisories and Outbreak Bulletins.
  • Report cases to the Ministry of Health and Long-Term Care for ongoing surveillance and identification of outbreaks.