Vibrio cholerae: a pathogen shared by human and aquatic animals

Vibrio cholerae, an important zoonotic bacterium, widely exists in various bodies of water and has been reported to infect aquatic animals. V cholerae, particularly non-O1 and non-O serogroups, can infect fish, shrimp, and other aquatic animals. However, the O1 serogroup has also been reported in fish1,2 and O139 reported in loach and shrimp.3,4 V cholerae can grow and reproduce in aquaculture water and in aquatic animals during infection, and can colonise and persist in fish intestine and destroy fish cell lines.