Shigellosis (bacillary dysentery) is an acute infectious disease mainly of the large bowel of humans and higher apes. Its characteristic symptoms are abdominal pain and diarrhea, which often contains blood, mucus, and pus. The causative agents of this disease are bacteria of the genus Shigella, which is divided into four subgroups or species: subgroup A (S. dysenteriae), subgroup B (S. flexneri), subgroup C (S. boydii), and subgroup D (S. sonnei). All of these organisms cause bacillary dysentery. It is known that certain strains of Escherichia coli (enteroinvasive E. coli) cause a disease clinically indistinguishable from bacillary dysentery.
KeywordsSucrose Agar Citrate Lysine Sewage
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