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Revista médica de Chile

Print version ISSN 0034-9887


ALARCON-LAVIN, María Paula et al. Carriage of Staphylococcus aureus among food service workers. Rev. méd. Chile [online]. 2017, vol.145, n.12, pp.1559-1564. ISSN 0034-9887.


Staphylococcus aureus produces 11 serotypes of endotoxins that may cause food poisoning.


To determine the prevalence of type A enterotoxigenic Staphylococcus aureus carriage among food service workers in Chillan, Chile.

Material and Methods

Pharyngeal swabs were obtained from 100 food service workers and were cultured in Agar plates. After identifying the presence of Staphylococcus aureus, DNA was extracted to identify type A toxin by conventional PCR.


Thirty eight percent of samples were colonized with Staphylococcus aureus. Among these, 26% were toxin A producers.


Half of the sampled workers carried Staphylococcus aureus and a quarter of these produced type A enterotoxin.

Keywords : Staphylococcus aureus; Enterotoxins; Foodborne Diseases.

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