| ICD9 = | Image = cholera bacteria SEM.jpg | Caption = ''Vibrio cholerae'': The bacterium that causes cholera (SEM image) | DiseasesDB = 2546 | ICDO = | OMIM = | MedlinePlus = 000303 | eMedicineSubj = med | eMedicineTopic = 351 | eMedicine_mult = | MeshName = Cholera | MeshNumber = C01.252.400.959.347 | }} Cholera (sometimes known as Asiatic cholera or epidemic cholera) is an infectious gastroenteritis caused by the bacterium Vibrio cholerae. Transmission to humans occurs through the process of ingesting contaminated water or food. The major reservoir for cholera was long assumed to be humans themselves, but considerable evidence exists that aquatic environments can serve as reservoirs of the bacteria. V. cholerae is a Gram-negative bacterium that produces cholera toxin, an enterotoxin, whose action on the mucosal e

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