Certain bacteria within the group Salmonella cause salmonella gastrointestinal disorder . These bacteria sleep in the intestines of humans and animals. Human infection results when food or water that has been contaminated with infected feces is ingested. A gastrointestinal salmonella infection usually affects the tiny intestine. it's also called salmonella enterocolitis or enteric salmonellosis. It’s one among the foremost common sorts of gastrointestinal disorder . Around 19,000 peopleTrusted Source are hospitalized with salmonella gastrointestinal disorder per annum within the us . It’s commonest in people under 20 years old. It’s also more likely to occur within the summer months because the Salmonella bacterium grows better in warm weather.