Staphylococcal food intoxication is caused by bacteria commonly found where?

Staphylococcal food intoxication is notably caused by Staphylococcus aureus, a bacterium that is commonly found in the nasal passages, skin, mouth, and throat of healthy individuals. This pathogen can easily contaminate food through improper handling or hygiene practices. When food contaminated with Staphylococcus aureus is consumed, the bacteria can produce toxins that cause illness, even if the bacteria itself are killed during cooking.

Option B accurately highlights the primary locations where Staphylococcus aureus is typically found, emphasizing that its presence on the skin and mucous membranes of people plays a crucial role in the potential for food contamination. This transmission often occurs in settings where food is prepared and served, particularly when food handlers do not wash their hands properly after touching their face or skin.

In contrast, while dairy products, seafood, and certain environmental conditions can contribute to food safety concerns, they are not the primary sources of the staphylococcal bacteria responsible for the intoxication. Therefore, understanding the typical habitat of Staphylococcus aureus is essential for preventing the risks associated with food intoxication, highlighting the importance of personal hygiene in food safety practices.