Communicable disease surveillance reports for Toronto are no longer available online in PDF format. Please contact the Communicable Disease Surveillance Unit by phone 416-392-7411 or email cdsu@toronto.ca during business hours Monday to Friday, 8:30 a.m. to 4:30 p.m. to request data or information related to communicable diseases in Toronto. We apologize for any inconvenience.

A summary of reportable communicable disease data for the City of Toronto for 2018 (the most recent calendar year for which data are available) is posted on the page: Communicable Diseases in Toronto. For each disease, a comparison to the previous five-year period is included.

Detailed summaries of reportable disease by gender and age groups for 2018 are available on Open Data.

Additional data and information on communicable disease trends and activities in Ontario and Toronto can be accessed via Public Health Ontario, including:

Current reportable disease trends in Toronto are summarized in this report. To allow adequate time for reports to be processed, and for investigations and quality assurance checks to be completed, data are posted with a delay of approximately two months. Updated data are published monthly around the middle of the month, and can be accessed via the City’s Open Data portal. An additional resource is Public Health Ontario (PHO)’s monthly report, linked below.

Production of the weekly influenza bulletin has been suspended. For the most up to date information on influenza activity in Ontario, please see the Ontario Respiratory Pathogen Bulletin.

The weekly influenza bulletin is produced weekly during periods with increased influenza activity in Toronto – generally from November to April – and provides descriptive epidemiologic data on influenza activity in the City of Toronto.

The full report is distributed each Friday, by email subscription.

Subscribe to Weekly Influenza News

Technical notes to accompany the Weekly Influenza News

Additional Data and Information for Ontario and Nationally