Certified Professional Food Safety (CP-FS) Practice Exam

Shigella is often transmitted by what means?

1. Contaminated water

2. Cross-contamination from utensils

3. Ineffective hand washing by food handlers

4. Improper cooking temperature

The correct answer is: Ineffective hand washing by food handlers

Shigella is primarily transmitted through ineffective hand washing by food handlers. This bacterium is commonly associated with fecal-oral transmission, where it spreads when individuals who have not properly washed their hands after using the restroom handle food or food preparation surfaces. Proper hand hygiene is critical in preventing the spread of Shigella, especially in environments such as restaurants or food service establishments where multiple food handlers interact with food. Although contaminated water, cross-contamination from utensils, and improper cooking temperatures can also contribute to foodborne illnesses, Shigella is particularly linked to poor handwashing practices. Ensuring that food handlers engage in effective hand hygiene helps reduce the risk of the pathogen being passed on to the food they prepare and serve.