Health Hazards

Health hazards are chemical, physical or biological factors in our environment that can have negative impacts on our short- or long-term health. Exposure can occur through touch, inhalation, and ingestion. Understanding the risks of these hazards can help us to take action to avoid or mitigate these risks.

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Case Studies

Event

PHO Rounds: Legionella Outbreak Investigations: A Practical Approach, Part III

This three-part series provides a practical overview of public health investigations of legionellosis, including assessment of the epidemiology, potential environmental sources, appropriate clinical and environmental testing, and environmental control and remediation.

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Updated 1 May 2023