ATTENUATED ISOLATE OF INFECTIOUS BRONCHITIS VIRUS STRAIN DMV1639

摘要

A heat attenuated infectious bronchitis virus (IBV) isolate of PDRC DMV/1639 deposited at the ATCC under Patent Designation PTA-12657 an progeny and derivatives thereof and compositions thereof are presented. Methods for administering the isolates and compositions as vaccines to the prevent virulent IBV infection in birds of the order Galliformes are also presented.