Salmonellosis Salmonella 。 Salmonella enterica Epithelial cells serovars such as S. lining intestinal tract enterica Typhimurium Mortality (<1%)due to Salmonella enter an epithelial cell septic shock caused by endotoxin Salmonella multiply within vesicle inside the cell Salmonella multiply in mucosal cells; there the inflammatory response results in diarrhea.Occasionally,the bacteria cross the epithelial cell membrane and enter the bloodstream and lymphatic system. Lymph node Bloodstream Figure 25.9Salmonellosis Figure 25.9 • Salmonella enterica serovars such as S. enterica Typhimurium • Mortality (<1%) due to septic shock caused by endotoxin