in the past vaccination against blue tomnuw was out using attenuated which called for a series of restrictions on vaccination as avoid the spread of the vorus to animals
In the past, 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.
In the past, vaccination against bluetongue was out using attenuated which called for a series of restrictions on vaccination as avoid the spread of the virus to animals.