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11 Cards in this Set
- Front
- Back
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Cholera - Causative Agent
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Vibrio cholerae
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Vibrio cholerae - Information
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quick, darting cells resembling wiener or comma - fementative - grow on ordinary or selective media containing bile at 37˚C - O antigens - H (flagella) antigens - membrane recepter antigens
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Cholera - Reservoirs
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natural waters - food contaminated by human carriers - free-living in certain endemic regions
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Cholera - Transmission
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ingested with food or water
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Cholera - Organs Involved
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small intestine
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Cholera - Signs/Symptoms
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vomiting - secretory diarrhea or "rice-water stool" - fluid loss - weight-loss -
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Cholera - Diagnosis/Lab ID
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stool sample - direct darkfield microscopy - support with immobilization or fluorescent staining of feces w/ group specific antisera
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Cholera - Treatment
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replacement of water + electrolytes - oral anitbiotics tetracycline or trimethoprimsulfa
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Cholera - Prevention
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vaccine for travelers - proper sewage disposal - water purification
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Cholera - Other Information
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most cases are self-limited but not for children or weak people
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Cholera - Virulence factor
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virulence is due to enterotoxin called cholera toxin (CT)
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