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What is The following is characteristic feature of staphylococcus food poisoning except: and explain in detail?
Staphylococcal food poisoning:

Staphylococcal food poisoning is due to heat-stable preformed toxin mostly after consuming milk products.
Toxin is produced optimally at 350C to 370C. 
Mechanism - Acts by stimulating vagus nerve and vomiting centre of brain. No antibiotics are given for Staphylococcal food poisoning.