Please click on the highlighted link below for a list of Diseases of Public Health Significance (DOPHS) that must be reported to Region of Waterloo Public Health.

Under each reportable disease is the reporting information and timeframe for when a disease will need to be reported to the health unit upon receipt of confirmatory testing.

Region of Waterloo Diseases of Public Health Significance

If you have any issues with reporting, please contact the health unit at 519-575-4400.

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Measles

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Hantavirus

At this time, both the Ministry of Health and Public Health Ontario are advising that the risk of infection to those in the general public is low given that passengers from the affected cruise are currently in isolation. Additional information can be found in the resource below:

aag-ipac-precautions-hantavirus-andes-strain.pdf

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Page Last Updated: May 11, 2026