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Unformatted text preview: bacterial causes include:- Shigella spp. o Incubation period is usually one to five days o Milder cases are typically caused by Shigella sonnei o More severe cases are usually caused by Shigella flexneri , Shigella boydii and Shigella dysenteriae Campylobacter spp. o Incubation is usually three to five days o May be marked systemic illness (fever, headache and myalgia) Salmonella spp. o Incubation is usually one to five days o Bloody watery stools are a typical feature o Caused by Salmonella enteridus , Salmonella heidelbery , Salmonella typhi and Salmonella paratyphi A and B Yersina spp o Yersina enterocolitica is transmitted via animals o Symptoms likely to include bloody watery stools Protozoa are another major cause of dysentery, the main two protozoan infections which cause dysentery are:- Entamoeba histolytica Giardia lamblia...
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- Fall '10