Ontario Respiratory Virus Tool
The Ontario Respiratory Virus Tool provides weekly epidemiological information on respiratory virus activity in Ontario, including COVID-19, influenza, RSV, and other respiratory viruses. Explore and download up-to-date data on case trends, outcomes, laboratory testing, outbreaks and projections.
How to Use The Tool
The tool is best viewed on desktop or tablet.
To learn how to navigate the tool, see our User Guide.
To see information on source data, classifications, citations, definitions and more, see our Technical Notes.
The tool is updated Fridays throughout the year, with data up to the previous Saturday. The tool will be updated the next business day following a holiday.
Updated
7 Oct 2026
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