Highlights
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Staphylococcal enterotoxin (SE) food-borne outbreak with 13 cases among 31 participants
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High amounts of coagulase positive staphylococci and SE in different types of freshly-produced ice-cream
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Five almost indistinguishable enterotoxigenic Staphylococcus aureus (spa-type t127, sea+) in ice-cream and from human cases
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A common origin was not identifiably.
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Either a contaminated ingredient or the equipment used for the production of ice-cream was the most likely introduction source.
ice-cream