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Step 9: Implement Control
& Prevention Measures
•Implement control and prevention measures as early as possible
•
•Usually target one or more:
–Eliminate the source
–Interrupt transmission
–Reduce susceptibility
This photograph of a migrant labor camp chef shows the importance of washing hands before directly handling food.
Speaking Points
•It is important to implement control and prevention measures as early as possible

•Usually, it is effective to target one or more:
•Eliminate the source
•Interrupt transmission
•Reduce susceptibility

•Remember that control and prevention measures are dynamic, and may change as the investigating epidemiologist discovers more about the outbreak or agent