1 Challenge #4: Staphylococcus aureus was recovered from a final product on May 13th, resulting in the lot being scrapped. After reviewing your EM results, where would you start your investigation?

Sign in, and click on "Tracking & Trending."

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2 Select "Organisms Over Time" to trend organisms based on the identification over a period of time.

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3 Enter "Staphylococcus aureus" under "Species 1" to see when this organism was identified. Click "OK."

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4 Click on the red square of the line graph to arrive at the tabulated results.

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5 Review Sample Source for recovery before the final product contamination.

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6 Conclusion: Focus on HEPA/air handling system since S. aureus was recovered from there 3 times previously.


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