What is Shigella?
{{italictitle}} {{Taxobox | name = '''''Shigella''''' | image= Shigella_stool.jpg | image_caption=[[micrograph|Photomicrograph]] of ''Shigella'' sp. in a stool specimen | regnum = [[Bacterium|Bacteria]] | phylum = [[Proteobacteria]] | classis = [[Gamma Proteobacteria]] | ordo = [[Enterobacteriaceae|Enterobacteriales]] | familia = [[Enterobacteriaceae]] | genus = '''''Shigella''''' | genus_authority = Castellani & Chalmers 1919 | subdivision_ranks = Species | subdivision = ''[[Shigella boydii|S. boydii]]''<br /> ''[[Shigella dysenteriae|S. dysenteriae]]''<br /> ''[[Shigella flexneri|S. flexneri]]''<br /> ''[[Shigella sonnei|S. sonnei]]'' }} '''''Shigella''''' is a [[genus]] of [[bacterium]]. It belongs to a small group of [[pathogen]]s (including ''[[Escherichia coli|E. coli]]'' and ''[[Salmonella]]'') that can infect the gut after the ingestion of relatively few [[organism]]s. The bacteria can cause sudden and severe [[diarrhea]] in humans. {{biology-stub}} [[Category:Gram-negative bacteria]]