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Vibriosis

All Vibrio species are reportable diseases in Oklahoma.  Vibrio organisms are a genus of gram-negative bacteria possessing a curved rod shape.  Several species of Vibrio are clinically important human pathogens: Vibrio cholerae, Vibrio parahaemolyticus, and Vibrio vulnificus.  Most strains are associated with gastroenteritis but can also infect open wounds and cause septicemia.  Vibrio parahaemolyticus and Vibrio vulnificus are generally transmitted via contaminated coastal water or consumption of raw seafood, particularly oysters. Since it is naturally found in warm marine waters, people with open wounds can be exposed through direct contact with seawater, shellfish, and marine wildlife.

Cholera became rare in the United States following the introduction of modern sewage and water treatment systems, although a few imported or domestically acquired cases continue to be reported each year.  The disease now occurs largely in parts of the world that have inadequate water treatment facilities.  A person may get cholera by drinking water or eating food contaminated with Vibrio cholerae. People traveling to foreign countries with insufficient public sanitation and water treatment are at a greater risk. Cholera bacteria are found in the stool or vomit of an infected person, which can directly contaminate food or water. A person who is infected can also spread the bacteria by not washing his or her hands after going to the bathroom, followed by handling uncooked foods, such as raw fruit or vegetables, that are eaten by others. A person can also become infected with cholera by eating contaminated shellfish such as clams and oysters. Additional information about Vibrio cholerae, Vibrio parahaemolyticus, and Vibrio vulnificus can be accessed through the following links:

Vibriosis Fact Sheets and Information:

Vibrio cholerae
Vibrio parahaemolyticus
Vibrio vulnificus
 

Vibriosis Surveillance Data and Statistics:

Cholera 2006 Surveillance Summary (276k.pdf)
 

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