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Symptoms start two hours to five days after exposure. [3] Cholera is caused by a number of types of Vibrio cholerae, with some types producing more severe disease than others. [2] It is spread mostly by unsafe water and unsafe food that has been contaminated with human feces containing the bacteria. [2] Undercooked shellfish is a common source. [9]
Prognosis improved by early supportive treatments as seen in the West African epidemic and the Kivu outbreak. [23] [24] Marburg virus disease – all outbreaks combined Viral Untreated [23–90]% 23% in 1967 when it was first identified and 90% in 2004-2005 when the worst outbreak of the disease occurred.
Shigellosis, known historically as dysentery, is an infection of the intestines caused by Shigella bacteria. [1] [3] Symptoms generally start one to two days after exposure and include diarrhea, fever, abdominal pain, and feeling the need to pass stools even when the bowels are empty. [1]
Symptoms of intestinal infection usually begin between 8 and 52 hours after you have been infected with E.coli, [2] this is the incubation period. The incubation period is the time between catching an infection and symptoms appearing. [12] Symptoms: abdominal cramping, pain or tenderness; watery or mucoidy diarrhea; nausea and vomiting, in some ...
Although Koch was convinced that the bacterium was the cholera pathogen, he could not entirely procure critical evidence that the bacterium produced the symptoms in healthy subjects (an important element in what was later known as Koch's postulates). His experiment on animals using his pure bacteria culture did not lead to the appearance of the ...
Symptoms of the disease appear between 12 hours and 5 days of infection; however, only 10% of infected people show severe symptoms of watery diarrhoea, vomiting and leg cramps. [8] Cholera is diagnosed through a stool test or rectal swab, and today treatment takes the form of an oral rehydration solution (ORS).
The symptoms of dehydration become increasingly severe with greater total body water loss. A body water loss of 1-2%, considered mild dehydration, is shown to impair cognitive performance. [ 8 ] While in people over age 50, the body's thirst sensation diminishes with age, a study found that there was no difference in fluid intake between young ...
[1] [10] Other symptoms may include fever, abdominal pain, and a feeling of incomplete defecation. [2] [6] [11] Complications may include dehydration. [3] The cause of dysentery is usually the bacteria from genus Shigella, in which case it is known as shigellosis, or the amoeba Entamoeba histolytica; then it is called amoebiasis. [1]