Enterotoxin proteins produced by the bacteria are resistant to low pH, allowing them to enter into the stomach and thus cause food intoxication. Enterotoxins can also function as superantigens by activating T cell proliferation and illiciting a strong immune response.

University of Notre Dame

Staphylococcus aureus can grow in food, particularly at temperatures above refrigeration and below the minimum cooking temperature. This microbial growth can produce enterotoxins that when ingested causes food intoxication and its associated symptoms.

Staphylococcal Food Poisoning Caused by Staphylococcal Bacteria

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Symptoms of Staphylococcal food poisoning include: nausea, diarrhea, headaches, dehydration, cramping, vomiting, and changes in blood pressure and heart rate. 

Staphylococcal Food Poisoning: Signs and Symptoms

Staphylococcal Food Poisoning: Virulence Factors

The bacteria is found on hands and transmitted to prepared food due to poor hygiene such as the use of contaminated cooking surfaces.

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