Salmonella

Salmonella - Microbiology Gastrointestinal diseases...

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Microbiology Gastrointestinal diseases Salmonella Denisa Moorehouse
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Salmonella Salmonella  (S.) is the genus name for a large number  (over 2,500) of types of bacteria.
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Salmonella Rod-shaped bacteria Flagellated Gram negative Each type is distinctly  identifiable by its specific  protein coating (serovars)
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Species Question Various species of the  genus  Salmonella  ???  (f.e.: S. typhi , S. typhimurium , S. enteritidis , S. cholerasuis, S. saintpaul,. ..) OR Serovars of only two species:  S. enterica  and  S. bongori ???
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History  Bacteria were first isolated: 1)  In 1885 2)  From pigs 3)  By Theobald Smith  Named after D.E. Salmon – Smith's director  
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How Can We Get It? Is a food-borne illness; can't smell or taste in the food or its presence  can't be seen  Salmonellosis (infection) spreads by ingestion of  Salmonella  bacteria Can contaminate almost any food type; water Outbreaks: raw eggs, raw meat (ground beef and other poorly cooked  meats), egg products, fresh vegetables, cereal, pistachio nuts, and  contaminated water Contamination can come from animal or human feces during the  processing or harvesting Potential direct sources of  Salmonella  are pets such as turtles, dogs,  cats, most farm animals, and humans that are infected or are carriers of  the organisms
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Who Can Get It? Known to cause disease in humans, animals, and birds      (especially poultry)   Worldwide  Approx. 40,000 cases/year in US get reported   CDC estimate 1.4 mil/year  Approx. 400 die each year  from acute salmonellosis  Children <1, old people,  people that take anti-acid,  people w/weakened immune  system  
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Diseases In Humans 1)  Salmonellosis 2)
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This note was uploaded on 01/18/2012 for the course MCB 2010C taught by Professor Sofronioagustin during the Fall '06 term at Valencia.

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Salmonella - Microbiology Gastrointestinal diseases...

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