The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
Use at an assay dependent concentration.
See attached protocol.
Vibrio parahaemolyticus is an oxidase positive, facultatively aerobic ,non spore forming, Gram negative bacillus with a single polar flagellum. When ingested it causes gastrointestinal illness in humans, with ingestion via raw or undercooked seafood (typically oysters) being the main route of infection.