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Diseases » Vibrio parahaemolyticus » Contagiousness

Is Vibrio parahaemolyticus Contagious?

Transmission of Vibrio parahaemolyticus from Person to Person

Vibrio parahaemolyticus is considered infectious but is not transmitted from person to person. Generally, a disease like this is caused by an infectious agent and not spread between people.
Vibrio parahaemolyticus, although infectious, is not a genetic disease. It is not caused by a defective or abnormal gene.

Transmission of Vibrio parahaemolyticus

Transmission of Vibrio parahaemolyticus to a person can be by way of:

  • food borne pathogens.

Contagion summary:

Infective dose -- A total dose of greater than one million organisms may cause disease; this dose may be markedly lowered by coincident consumption of antacids (or presumably by food with buffering capability). (Source: FDA Bad Bug Book)

Discussion about Contagion of Vibrio parahaemolyticus:

In 1998, a new strain of the bacterium Vibrio parahemolyticus contaminated oyster beds in Galveston Bay and caused an epidemic of diarrheal illness in persons eating the oysters raw. The affected oyster beds were near the shipping lanes, which suggested that the bacterium arrived in the ballast water of freighters and tankers coming into the harbor from distant ports. (Source: excerpt from Foodborne Infections General: DBMD)

About contagion and contagiousness:

Contagion and contagiousness refers to how easily the spread of Vibrio parahaemolyticus is possible from one person to another. Other words for contagion include "infection", "infectiousness", "transmission" or "transmissability". Contagiousness has nothing to do with genetics or inheriting diseases from parents. For an overview of contagion, see Introduction to Contagion.


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