This page is being updated to align with guidance from the Ontario Ministry of Health for the 2025-2026 respiratory virus season.
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. Find COVID-19 Information for Health Professionals.
To report a suspected or confirmed respiratory outbreak:
To report a suspected or confirmed enteric outbreak: