Food poisoning due to enterotoxigenic strains of Staphylococcus present in Minas cheese and raw milk in Brazil

In February and May of 1999, the sanitary services of the Health Board in the cities of Manhuaçu and Passa-Quatro, Minas Gerais, Brazil, were notified of two food poisoning outbreaks involving a total of 378 individuals. In the first outbreak, 50 individuals became ill after eating Minas cheese. The...

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Bibliographic Details
Published in:Food microbiology 2002-02, Vol.19 (1), p.9-14
Main Authors: Simeão do Carmo, L, Dias, R.Souza, Linardi, V.Roberto, José de Sena, M, Aparecida dos Santos, D, Eduardo de Faria, M, Pena, E.Castro, Jett, M, Heneine, L.Guilherme
Format: Article
Language:English
Subjects:
Bacterial diseases
Bacterial diseases of the digestive system and abdomen
Biological and medical sciences
cheese
enterotoxins
Food industries
food poisoning
Fundamental and applied biological sciences. Psychology
General aspects
Handling, storage, packaging, transport
Human bacterial diseases
Infectious diseases
Medical sciences
Milk and cheese industries. Ice creams
outbreaks
Staphylococcus
Staphylococcus aureus
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Summary:In February and May of 1999, the sanitary services of the Health Board in the cities of Manhuaçu and Passa-Quatro, Minas Gerais, Brazil, were notified of two food poisoning outbreaks involving a total of 378 individuals. In the first outbreak, 50 individuals became ill after eating Minas cheese. The symptoms of food poisoning (diarrhoea, vomiting, dizziness, chills, and headaches) appeared within 2 h of the individuals ingesting the cheese. The second outbreak affected 328 individuals, who presented with symptoms of diarrhoea and vomiting after consuming raw milk. Samples of the cheese and raw milk were collected. The analysis of the cheese and unpasteurized milk in outbreak one showed that Staphylococcus aureus was present at 2·4×103 – > 2·0×108 cfu g−1 and had produced the enterotoxins SEA, SEB, and SEC. The analysis of the raw milk in outbreak two indicated the presence of coagulase-negative staphylococci in counts exceeding 2·0×108 cfu g−1 and the production of enterotoxins SEC and SED. The specific enterotoxins found in each of the two outbreaks implicate the source of contamination in the first out break to be the food handlers and for the second case cattle mastitis.
ISSN:0740-0020
1095-9998
DOI:10.1006/fmic.2001.0444