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Communicable Disease Surveillance Unit (CDSU) |
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The Health Protection and Promotion Act (HPPA) outlines the communicable diseases that are designated reportable in the province of Ontario. Under the authority of the HPPA, Ontario Regulations 559/91, these diseases or suspected occurrences of these diseases, must be reported to the local Health Unit by physicians, laboratories, administrators of hospitals, schools, and institutions.
The public health system depends upon these reports of communicable diseases to monitor the health of the community and to provide the basis for preventive action.
To view the communicable diseases that are reportable in Ontario click on the link below.
List of Reportable Diseases in Ontario
(PDF) Updated January 2012
Accurate and complete reporting of communicable diseases to the Health Unit is required for several reasons. The most common reasons include:
- To detect outbreaks and epidemics,
- To enable timely follow-up of communicable disease reports so that further transmission is prevented,
- To facilitate the prompt implementation of appropriate public health interventions and educational efforts,
- To help target prevention programs, identify specific sub-populations at highest risk, and to use resources efficiently,
- To evaluate the success of disease control efforts,
- To facilitate epidemiological research,
- To contribute to provincial, national and international surveillance efforts.
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