Abstract
The spread of multidrug-resistant zoonotic pathogens, such as Salmonella, within livestock is of concern for food safety. The spread of Salmonella on the farm is escalated by superspreaders, which shed the pathogen at high numbers with their feces. However, there are currently no biomarkers to identify potential superspreaders. Kempf and coworkers determined that a potent early inflammatory response to Salmonella infection and changes in the microbiota composition are associated with the superspreader phenotype in pigs (F. Kempf, G. Cordoni, A.M. Chaussé, R. Drumo, et al., mSystems, in press, https://doi.org/10.1128/msystems.00852-22). Since these biomarkers only develop during Salmonella infection, additional work is needed to predict animals that have the potential to become superspreaders.
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