Although CNS of food origin has not been found to produce nosocomial infections, some strains that produced entertoxins have been described. Vernozy- Rozand et al. (1996) reported entertoxin E as the most frequent enterotoxin found in S. equorum and S. xylosus, though Martin et al. (2006) reported that the occurrence of staphylococcal enterotoxin genes in CNS from slightly fermented sausages was rare, detecting only entC in S. epidermidis.