http://articles.mercola.com/sites/articles/archive/2000/10/01/oysters-bacteria.aspxA new, more toxic strain of a bacterium that contaminates oysters has been found in oysters harvested from Galveston Bay, Texas. The bacterium, Vibrio parahaemolyticus, causes diarrhea , usually within 24 hours of eating infected seafood, along with abdominalenCommunityServer 2008.5 SP1 (Build: 31106.3070)