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IBDV mutant, vaccine containing it for protecting poultry against a disease caused by IBDV and method of protecting poultry against such disease
IBDV mutant, vaccine containing it for protecting poultry against a disease caused by IBDV and method of protecting poultry against such disease
The present invention provides a broad spectrum IBDV vaccine that is able to induce a protective immune response against classical- and variant E IBDV strains. Moreover, the vaccine can be administered to poultry by mass application routes.
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