- Johns Hopkins University
- Public Health
- Public Health 280.335
- Risk Assessment
Last Modified: 2011-07-03
Balance risks and benefits
Set target levels of risk
Cultural, Chemical, Physical, Biological
Should: Risk = hazard x probability of exposure x perception
Dose-Response Risk Characterization
Internal Dose: amount in body
Administered Dose: amount given my mouth or injection
Total Dose: sum of all
RfD: Reference Dose
How long is each exposure? How often dose it occur?
Are there susceptible populations?
Evaluation of public health, economic, social and political consequences
Public opinion and risk perception
2. Determine what exposure or dose confers to that level
3. Identify intervention strategies
4. Pick the intervention that costs the least
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