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Diseases » Vibrio parahaemolyticus » Prevalence

Prevalence and Incidence of Vibrio parahaemolyticus

Incidence (annual) of Vibrio parahaemolyticus:

0.25 per 100,000 (DBMD 1997) ... see also overview of Vibrio parahaemolyticus.

Incidence Rate:

approx 1 in 400,000 or 0.00% or 680 people in USA [Source statistic for calcuation: "0.25 per 100,000 (DBMD 1997)" -- see also general information about data sources]

Incidence extrapolations for USA for Vibrio parahaemolyticus:

680 per year, 56 per month, 13 per week, 1 per day, 0 per hour, 0 per minute, 0 per second. [Source statistic for calculation: "0.25 per 100,000 (DBMD 1997)" -- see also general information about data sources]

Prevalance of Vibrio parahaemolyticus:

Major outbreaks have occurred in the U.S. during the warmer months of the year. Sporadic cases occur along all coasts of the U.S. (Source: FDA Bad Bug Book) ... Nationwide, an average of 190 culture-confirmed cases, 30 hospitalizations, and 1-3 deaths are reported each year. However, it is estimated that there are truly as many as 3000 cases (most not culture confirmed), 40 hospitalizations and 7 deaths. (Source: excerpt from Vibrio parahaemolyticus: DBMD)

Prevelance of Vibrio parahaemolyticus discussion:

In Asia, V. parahaemolyticus is a common cause of foodborne disease. In the United States, it is less commonly recognized as a cause of illness, partly because clinical laboratories rarely use the selective medium that is necessary to identify this organism. Not all states require that V. parahemolyticus infections be reported to the state health department, but CDC collaborates with the Gulf Coast states of Alabama, Florida, Louisiana, and Texas to monitor the number of cases of Vibrio infection in this region. From those states, about 30-40 cases of V. parahaemolyticus infections are reported each year. The Foodborne Diseases Active Surveillance Network, Food Net, also tracks V. parahaemolyticus in regions outside the Gulf Coast. In 1997, the incidence of diagnosed V. parahaemolyticus infection in Food Net sites was .25/100,000. (Source: excerpt from Vibrio parahaemolyticus (General): DBMD)

Incidence of Vibrio parahaemolyticus:

In 1997, the incidence of diagnosed V. parahaemolyticus infection in Food Net sites was .25/100,000. (Source: excerpt from Vibrio parahaemolyticus (General): DBMD)

Outbreaks of Vibrio parahaemolyticus:

Selected Outbreaks:: MMWR 48(03):1999 During July-September 1998, an outbreak of Vibrio parahaemolyticus infections associated with consumption of oysters and clams harvested from Long Island Sound occurred among residents of Connecticut, New Jersey, and New York. This is the first reported outbreak of V. parahaemolyticus linked to consumption of shellfish harvested from New York waters.

MMWR 47(22):1998 During July-August 1997, the largest reported outbreak in North America of culture-confirmed Vibrio parahaemolyticus infections occurred. Illness in 209 persons was associated with eating raw oysters harvested from California, Oregon, and Washington in the United States and from British Columbia (BC) in Canada; one person died. (Source: FDA Bad Bug Book)

About prevalence and incidence statistics:

The term 'prevalence' of Vibrio parahaemolyticus usually refers to the estimated population of people who are managing Vibrio parahaemolyticus at any given time. The term 'incidence' of Vibrio parahaemolyticus refers to the annual diagnosis rate, or the number of new cases of Vibrio parahaemolyticus diagnosed each year. Hence, these two statistics types can differ: a short-lived disease like flu can have high annual incidence but low prevalence, but a life-long disease like diabetes has a low annual incidence but high prevalence. For more information see about prevalence and incidence statistics.


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