against blue tongur was carried livetenuated baccins which called for seres restrictions on vaccinations so to avoid the spread of the varis to unvaccinated animals
Vaccination against bluetongue was carried out using live attenuated vaccines, which called for a series of restrictions on vaccination so as to avoid the spread of the virus to unvaccinated animals.
against bluetongue was carried live attenuated vaccines, which called for series restrictions on vaccination so to avoid the spread of the virus to unvaccinated animals.