Ontario Respiratory Virus Seasonal Summaries (Historical)

This page provides historical summary reports of surveillance information on respiratory virus activity in Ontario for previous respiratory seasons, including case trends, laboratory testing, and outbreaks.

Current respiratory surveillance data are included in the Ontario Respiratory Virus Tool.

Seasonal Summaries


PHO Rounds: Update on Ontario's new tick-borne diseases of public health significance

This PHO Rounds will provide an epidemiological summary of the first year of these diseases being reportable in Ontario.

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Published 8 Sep 2023