致病性弧菌感染人类，不但可引起胃肠炎，同时还可导致肠道外感染，对其的研究已越来越受到广泛的关注。据报道大部分致病性弧菌的感染都与食用海产品及与海水环境接触有密切关系。为此，我们在大连市对腹泻患者粪便、海水和海产品标本中致病性弧菌的分布进行了调查，并对毒力? Pathogenic Vibrio infection in humans, not only can cause gastroenteritis, but can also lead to intestinal infections, its research has been more and more widespread attention. It has been reported that most of the pathogenic Vibrio infections are closely related to the consumption of seafood and exposure to the seawater environment. To this end, we investigated the distribution of pathogenic Vibrio in diarrhea patients’ stools, seawater and seafood samples in Dalian City and investigated their virulence?