Salmonella is one of the major causative agents of foodborne infections. In this study, 225 samples of different types of cheeses produced by the Brazilian dairy industry were analysed. Samples were submitted to a Salmonella spp. investigation using conventional microbiology, multiplex polymerase chain reaction (multiplex PCR) and the disc‐diffusion method. The occurrence of Salmonella was 1.33% (3/225); two strains (S. Infantis and S. Schwarzengrund) were detected in Prato cheese, and one strain (S. Anatum) was detected in Mozzarella cheese. The three strains showed resistance to the antifolate pathway inhibitors trimethoprim and sulphonamide. Therefore, Salmonella spp. in cheese samples indicates a threat to consumer public health.
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Neto et al. (2019) studied this question.
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