Vibrio parahaemolyticus is a gram-negative halophilic bacterium that naturally occurs worldwide in marine and estuarine environments. this microorganism is recognized as one of the most important causes of foodborne illness in Asia and North America. Every year about 50 to 70% of gastroenteritis cases in japan and other asian countries are caused by V.parahaemolyticus. According to data published by centers for Disease Control and Prevention, 944 Vibrio infections (excluding toxigenic V. cholerae O1 and O139) were reported in 2012 in the United States, and V.parahaemolyticus was the most frequently isolated bacterial species (from 431 patients; 45.7%). In recent years, a significant increase of food poisoning caused by V.parahaemolyticus was also observed in Europe. One of the reason for this may be change in eating habits associated with consumption of fish and shellfish. Climate change leads to the appearance of these bacteria in seawaters in which, due to low temperatures, it did not usually occur. Anomalies in seawater temperature also maynexplain the sudden emergence of Vibrio outbreaks in countries such as France, Italy, and Spain.