Toronto Public Health (TPH) works with health care professionals to manage outbreaks and apply effective public health strategies to prevent the transmission of infectious diseases.

For case and outbreak definitions, please refer to the Ontario Public Health Standards.

Please subscribe to TPH’s Communiqué e-newsletter to receive regular updates.

Reporting a Respiratory Outbreak

To report a suspected or confirmed respiratory outbreak:

Business Hours (weekdays 8:30 a.m. to 4:30 p.m.):

  • Communicable Disease Liaison Unit (CDLU) facilities: contact your CDLU Liaison directly or the CDLU General Line: 416-338-2100 or CDLU@toronto.ca
  • Long-Term Care and Retirement Homes Congregate Team (LRCT): send an email to LRCT@toronto.ca

After Hours (weekdays after 4:30 p.m., weekends and statutory holidays):

  • Call 3-1-1 or 416-392-CITY (2489) and ask for the on-call Communicable Diseases Control (CDC) Manager
  • The LRCT@toronto.ca mailbox will not be monitored during after hours from 4:30 p.m. to 8:30 a.m. on weekends or on statutory holidays. Messages directed to this mailbox will be actioned on the next business day.

Managing a Respiratory Outbreak

Specimen Collecting/Testing

Signage

Influenza

    Reporting an Enteric (Gastroenteritis) Outbreak

    To report a suspected or confirmed enteric outbreak:

    Business Hours (weekdays 8:30 a.m. to 4:30 p.m.):

    • Communicable Disease Liaison Unit (CDLU) facilities: contact your CDLU Liaison directly or the CDLU General Line: 416-338-2100 or CDLU@toronto.ca
    • Long-Term Care and Retirement Homes Congregate Team (LRCT): send an email to LRCT@toronto.ca

    After Hours (weekdays after 4:30 p.m, weekends and statutory holidays.):

    • Call 3-1-1 or 416-392-CITY (2489) and ask for the on-call Communicable Diseases Control (CDC) Manager
    • The LRCT@toronto.ca mailbox will not be monitored during after hours from 4:30 p.m. to 8:30 a.m. on weekends or on statutory holidays. Messages directed to this mailbox will be actioned on the next business day.

    Managing an Enteric (Gastroenteritis) Outbreak

    Specimen Collecting/Testing

    Signage

    Norovirus

    C.difficile