The Merck Manual: Shigellosis - http://www.merck.com/mmhe/sec17/ch190/ch190q.html Features symptoms, cause, treatment, and prevention.
Shigellosis - General Information - http://www.cdc.gov/ncidod/dbmd/diseaseinfo/shigellosis_g.htm Frequently asked questions list about shigella and shigellosis.
eMedicine - Shigellosis - http://www.emedicine.com/med/topic2112.htm Article by Joyann A Kroser, MD.
Bad Bug Book: Shigella spp. - http://www.cfsan.fda.gov/~mow/chap19.html Includes cause, associated foods, complications, and outbreaks.
InteliHealth: Shigellosis - http://www.intelihealth.com/IH/ihtIH/WSIHW000/9339/32094.html Includes cause, prevention, diagnosis, prognosis, symptoms, and treatment.
Shigella: An Infectious Foodborne Illness - http://ohioline.osu.edu/hyg-fact/5000/5563.html Fact sheet from Ohio State University Extension about this germ which causes an infectious disease.
Kidshealth: Shigellosis - http://kidshealth.org/parent/infections/bacterial_viral/shigella.html Includes cause, treatment, symptoms, and prevention.