Risk factors for<unk>  are all those that expose the person to the bacteria, and that create an adequate environment for infection, such as: low gastric pH; changes in intestinal flora; malignancy; diabetes; and immunosuppressive therapies.  Risk factors for the persistence of infection with Salmonella, include locals of anatomic disruptions, such as: gallstones; kidney stones; and atherosclerotic plaque.
Salmonellosis risk factors
Brucellosis risk factors
Rotavirus infection risk factors
Leptospirosis risk factors
Cholera risk factors
Campylobacteriosis risk factors
Q fever risk factors
Typhoid fever risk factors