Immunogenic killed vaccine against African Horse Sickness can ce prepared from a neurotropic vaccine strain or a virulent strain of virus, type 9, grown in a monkey kidney stable cell line. Virus was inactiv:ttd with either formaldehyde in a final concentration of 1 :8000 or j3-propiolactone at 0.2 per cent. In order to enhance the immunogenicty of the product, aluminium hydroxide was added to ...

introduction: white spot syndrome virus (wssv) is one of the most deadly infectious pathogens of the shrimp culture industry. neither effective vaccines nor efficient treatments are currently available for this disease. vibrio species are well known dominant bacterial pathogens in the shrimp ponds. as facultative pathogenic bacteria, it is possible that vibrio spp. along with wssv to co-infect ...