Certified Professional Food Safety (CP-FS) Practice Exam

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Prepare for the Certified Professional Food Safety (CP-FS) Exam with detailed questions, hints, and explanations. Master food safety knowledge and excel in your exam!

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What percentage of people are carriers of Staphylococcus aureus?

10 - 20%
30 - 40%
50 - 70%
80 - 90%

The correct answer is: 50 - 70%

The correct percentage of people who are carriers of Staphylococcus aureus typically falls within the range of 30% to 40%. This bacterium is known to inhabit the nasal passages and skin of a significant portion of the population without causing illness. The reason this range is correct is that research has consistently observed that a substantial minority of the general population carries Staphylococcus aureus asymptomatically. While some sources may describe even higher carrier rates in specific populations or settings, the general consensus aligns with the 30 - 40% figure for the broader population. Understanding carrier rates is crucial in food safety as carriers can inadvertently contaminate food products or food preparation surfaces, leading to possible outbreaks of foodborne illness. This knowledge emphasizes the importance of proper hygiene practices to minimize the risks associated with Staphylococcus aureus transmission.