
Shigella are bacteria that can infect the digestive tract and cause a wide range of symptoms, from diarrhea, cramping, vomiting, and nausea, to more serious complications and illnesses. Infections, called shigellosis, sometimes go away on their own; in others, antibiotics can shorten the course of the illness. Shigellosis, which is most common during the summer months, typically affects kids 2 to 4 years old, and rarely infects infants younger