Symptoms usually start within 1-3 days of exposure
Variation depends on serotype
Can be anywhere from 12 hours to 7 days for incubation period
Fever
Diarrhea (can be bloody)
Generalized abdominal pain
In severe cases in children, can lead to seizures
Variation depends on serotype
Can be anywhere from 12 hours to 7 days for incubation period
Shigella
Viral 
Salmonella
Bacterial
Clostridium difficile
Campylobacter
Clostridium difficile 
Enterobius