IBDV MUTANT, VACCINE CONTAINING IT FOR PROTECTING POULTRY AGAINST A DISEASE CAUSED BY IBDV AND METHOD OF PROTECTING POULTRY AGAINST SUCH DISEASE

摘要

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.