They are easily transmitted through the food supply, the hands of food preparers and the surfaces of objects such as knives and tabletops.
Possible signs and symptoms of salmonellosis include:
*Blood in the stool
Salmonella can be invasive and this can lead to bacteraemia and Gram-negative sepsis. With certain serovars, principally S. Dublin, S. choleraesuis and some strains of S. virchow, the incidence of extra-intestinal infections is higher.
Salmonella can also weaken the immune system and cause kidney and cardiovascular damage as well as arthritis.
What are the symptoms of salmonellosis?