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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]
The symptoms of infection are indistinguishable, although more people infected with the El Tor biotype remain asymptomatic or have only a mild illness. In recent years, infections with the classical biotype of V. cholerae O1 have become rare and are limited to parts of Bangladesh and India. [57]
Although the host may not be experiencing symptoms, the virus can still be passed on to others. It is also possible for the infection to become symptomatic after this incubation period. Whether the host is showing symptoms or not, opportunistic infections can take advantage of the weakened immune system and cause further complications.
Cholera toxin mechanism. Cholera toxin (also known as choleragen and sometimes abbreviated to CTX, Ctx or CT) is an AB5 multimeric protein complex secreted by the bacterium Vibrio cholerae. [1] [2] CTX is responsible for the massive, watery diarrhea characteristic of cholera infection. [3] It is a member of the heat-labile enterotoxin family.
Dysentery results from bacterial or parasitic infections. Viruses do not generally cause the disease. [ 10 ] These pathogens typically reach the large intestine after entering orally, through ingestion of contaminated food or water, oral contact with contaminated objects or hands, and so on.
Unfortunately, norovirus infections can and do happen. “Norovirus is a ubiquitous virus that everyone experiences multiple times in their life,” Adalja says. The best you can do is try to ...
Cholera is an infection of the small intestine by the bacterium Vibrio cholerae. [1] [2] Symptoms. Symptoms may range ... Zinc supplementation is useful in children. [7]
Cholera is an acute diarrhoeal infection caused by the ingestion of food or water contaminated with the bacterium Vibrio cholerae. Most commonly the contamination of food or water occurs via faecal matter, and the infection is spread through the faecal-oral route. Cholera has also been found to be caused by eating raw shellfish.