CSN P CEN/TS 17711 This document specifies a horizontal method for the detection of enteropathogenic Vibrio spp., which causes human illness in or via the intestinal tract. The species detectable by the methods specified include Vibrio parahaemolyticus, Vibrio cholerae and Vibrio vulnificus. It is applicable to the following: - microbial plant biostimulants. Original English text of CSN EN Standard. The price of the Standard included all amendments and correcturs.