MOREDUN ANIMAL HEALTH LTD / SCIENCE PHOTO LIBRARY MOREDUN ANIMAL HEALTH LTD / SCIENCE PHOTO LIBRARY
False-colour transmission electron micrograph (TEM) of a colony of the Gram-negative bacterium, Vibrio cholerae, the cause of cholera in humans. Each sausage-like bacterium has a single, polar flagellum, by which it moves. Cholera is an acute infection of the small intestines causing vomiting & diarrhoea leading to potentially fatal dehydration. The bacterium is a water borne pathogen, transmitted to humans through drinking water contaminated by human or animal faeces. Outbreaks of cholera are associated with poor sanitary conditions & often occurs in epidemic proportions. Magnification: x2,300 at 35mm size.
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