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11 - Vibrio Vibrio Vibrio cholerae-gastroenteritis Vibrio...

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Vibrio Vibrio Vibrio cholerae -gastroenteritis Vibrio parahaemolyticus -gastroenteritis, wound infection, bacteremia Vibrio vulnificus -wound infection, bacteremia
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Vibrio sp. Gram-negative rods C C urves or comma shaped urves or comma shaped Non-spore forming Highly motile-single polar flagella Associated with salt water Oxidase positive Facultative anaerobe Tolerate alkaline conditions to Tolerate alkaline conditions to pH9.0 pH9.0 R R eadily cultivated eadily cultivated , , S S imple imple nutritional requirements nutritional requirements
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Vibrio cholerae Antigenic structure Common heat-labile flagellar H antigen O lipopolysaccharide confers serologic specificity More than 150 O antigen serogroups Only O-1 and 0139 serogroups cause Asiatic cholera Three serotypes; Ogawa, Inaba, Hikojima Two biovars; classic and El Tor
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2 biotypes of serogroup O-1 Classical biotype El Tor biotype.
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