V-Vacc is a nano encapsulated extract, which is highly effective against Vibrio spp. V-Vacc has had success in reducing the shrimp mortalities associated with vibriosis. It increases the ability for the clearance of fungal spores from the haemolymph. It also affects multiple fungal cell target sites such as the cell wall, the cell membrane, and the mitochondrial membranes. It helps in persuasive immunostimulatory activity.