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Precautionary Principle and Public Health Richard Schabas MOH Hastings and Prince Edward Counties December 6, 2007.

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Presentation on theme: "Precautionary Principle and Public Health Richard Schabas MOH Hastings and Prince Edward Counties December 6, 2007."— Presentation transcript:

1 Precautionary Principle and Public Health Richard Schabas MOH Hastings and Prince Edward Counties December 6, 2007

2 “the precautionary principle, which states that action to reduce risk need not await scientific certainty, be expressly adopted as a guiding principle…” Campbell

3 “the precautionary principle, which states that action to reduce risk need not await science, be expressly adopted as a guiding principle…” Campbell ( revised by Schabas )

4 Precautionary Principle Paradox

5 Examples NABH surrogate testing (1986) Thimerosol in vaccines (2007) N95 masks for pandemic influenza (20??) Pandemic prevention (1976)

6 Precautionary Principle Antiscientific Unethical Not useful

7 Blood Screening – Key Issues Effectiveness of surrogate testing uncertain NAB hepatitis not considered serious Blood supply inadequate

8 Blood Screening – Key Issues Effectiveness of surrogate testing uncertain Surrogate testing effective NAB hepatitis not considered serious HCV hepatitis very serious Blood supply inadequate for future needs Blood supply adequate


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