Antigenic isolates and Vaccines of Infectious bursitis virus

摘要

Claim 1: a vaccine composition, which is effective in preventing or alleviating infectious bursitis,Comprising an Antigen or antigenic component that has the substantive characteristics identified Antigen of Infectious Bursal as shown in figure (1) and retains substantial reactivity of the monoclonal antibody with variants of the type virus of the bursitis in Delaware Fecciosa.Composition of claim 7: a Vaccine against the virus of Infectious bursitis, comprising the isolated antigenic 28 - 1 IBDV and Deposited with the ATCC under the Access Number of PTA 5848. Claim 1: an isolated Antigen of Infectious Bursal virus presents the Amino Acid Sequence exposed in figure (1) (28) - 1.Claim 1: a method to induce protection against infection by the virus of Infectious bursitis, which comprises administering a Composition of Poultry Vaccine containing Antigen Presenting the substantive characteristics of an isolated antigenic Identification IBDV as shown in figure (1).Claim 17: a vaccine composition comprising an Antigen or antigenic component which presents only the replacement 318 G - D in the region of VP2 Hydrophilic Peak B of Infectious bursitis virus, where the composition of the vaccine is effective against the strain of IBD and Standard The Variant Strain of Group 6 and Delaware.